Fix typos (taking into account review comments)

29 files changed, 36 insertions, 36 deletions

diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
index 15050c87b39..7802825a1b8 100644
--- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
@@ -652,7 +652,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
                     }
 
                     // FIXME: We make sure that this is a normal top-level binding,
-                    // but we could suggest `todo!()` for all uninitialized bindings in the pattern pattern
+                    // but we could suggest `todo!()` for all uninitialized bindings in the pattern
                     if let hir::StmtKind::Let(hir::LetStmt { span, ty, init: None, pat, .. }) =
                         &ex.kind
                         && let hir::PatKind::Binding(..) = pat.kind
diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs
index 5a9eab1ffea..fb7d3f40093 100644
--- a/compiler/rustc_hir_typeck/src/expr.rs
+++ b/compiler/rustc_hir_typeck/src/expr.rs
@@ -3112,7 +3112,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
 
             let true_errors = ocx.select_where_possible();
 
-            // Do a leak check -- we can't really report report a useful error here,
+            // Do a leak check -- we can't really report a useful error here,
             // but it at least avoids an ICE when the error has to do with higher-ranked
             // lifetimes.
             self.leak_check(outer_universe, Some(snapshot))?;
diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs
index 885c0bb3a89..b3e93748a16 100644
--- a/compiler/rustc_lint/src/non_local_def.rs
+++ b/compiler/rustc_lint/src/non_local_def.rs
@@ -38,7 +38,7 @@ declare_lint! {
     ///
     /// Creating non-local definitions go against expectation and can create discrepancies
     /// in tooling. It should be avoided. It may become deny-by-default in edition 2024
-    /// and higher, see see the tracking issue <https://github.com/rust-lang/rust/issues/120363>.
+    /// and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>.
     ///
     /// An `impl` definition is non-local if it is nested inside an item and neither
     /// the type nor the trait are at the same nesting level as the `impl` block.
diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs
index 21433cfdb61..62eb07e8287 100644
--- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs
+++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs
@@ -269,7 +269,7 @@ fn trait_object_ty<'tcx>(tcx: TyCtxt<'tcx>, poly_trait_ref: ty::PolyTraitRef<'tc
 /// if a function is member of the group derived from this type id. Therefore, in the first call to
 /// typeid_for_fnabi (when type ids are attached to functions and methods), it can only include at
 /// most as much information that would be available in the second call (i.e., during code
-/// generation at call sites); otherwise, the type ids would not not match.
+/// generation at call sites); otherwise, the type ids would not match.
 ///
 /// For this, it:
 ///
diff --git a/library/portable-simd/crates/core_simd/src/ops.rs b/library/portable-simd/crates/core_simd/src/ops.rs
index d8e10eeaa1a..dd7303a97b1 100644
--- a/library/portable-simd/crates/core_simd/src/ops.rs
+++ b/library/portable-simd/crates/core_simd/src/ops.rs
@@ -122,7 +122,7 @@ macro_rules! for_base_types {
                     #[inline]
                     #[must_use = "operator returns a new vector without mutating the inputs"]
                     // TODO: only useful for int Div::div, but we hope that this
-                    // will essentially always always get inlined anyway.
+                    // will essentially always get inlined anyway.
                     #[track_caller]
                     fn $call(self, rhs: Self) -> Self::Output {
                         $macro_impl!(self, rhs, $inner, $scalar)
diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs
index 1c695655536..f26f164fa54 100644
--- a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs
@@ -127,7 +127,7 @@ pub(super) fn check<'tcx>(
     }
 }
 
-/// checks for for collecting into a (generic) method or function argument
+/// checks for collecting into a (generic) method or function argument
 /// taking an `IntoIterator`
 fn check_collect_into_intoiterator<'tcx>(
     cx: &LateContext<'tcx>,
diff --git a/src/tools/clippy/tests/ui/ptr_arg.rs b/src/tools/clippy/tests/ui/ptr_arg.rs
index fcd716f4144..5d6e488972c 100644
--- a/src/tools/clippy/tests/ui/ptr_arg.rs
+++ b/src/tools/clippy/tests/ui/ptr_arg.rs
@@ -282,7 +282,7 @@ mod issue_9218 {
         todo!()
     }
 
-    // These two's return types don't use use 'a so it's not okay
+    // These two's return types don't use 'a so it's not okay
     fn cow_bad_ret_ty_1<'a>(input: &'a Cow<'a, str>) -> &'static str {
         //~^ ERROR: using a reference to `Cow` is not recommended
         todo!()
diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs
index afbcc3e92bc..7ff45edd4b2 100644
--- a/src/tools/compiletest/src/common.rs
+++ b/src/tools/compiletest/src/common.rs
@@ -250,7 +250,7 @@ pub struct Config {
     /// Only run tests that match these filters
     pub filters: Vec<String>,
 
-    /// Skip tests tests matching these substrings. Corresponds to
+    /// Skip tests matching these substrings. Corresponds to
     /// `test::TestOpts::skip`. `filter_exact` does not apply to these flags.
     pub skip: Vec<String>,
 
@@ -381,7 +381,7 @@ pub struct Config {
     /// Whether to rerun tests even if the inputs are unchanged.
     pub force_rerun: bool,
 
-    /// Only rerun the tests that result has been modified accoring to Git status
+    /// Only rerun the tests that result has been modified according to Git status
     pub only_modified: bool,
 
     pub target_cfgs: OnceLock<TargetCfgs>,
diff --git a/src/tools/compiletest/src/lib.rs b/src/tools/compiletest/src/lib.rs
index 2e45caec46c..99bde107f3a 100644
--- a/src/tools/compiletest/src/lib.rs
+++ b/src/tools/compiletest/src/lib.rs
@@ -950,7 +950,7 @@ fn is_android_gdb_target(target: &str) -> bool {
     )
 }
 
-/// Returns `true` if the given target is a MSVC target for the purpouses of CDB testing.
+/// Returns `true` if the given target is a MSVC target for the purposes of CDB testing.
 fn is_pc_windows_msvc_target(target: &str) -> bool {
     target.ends_with("-pc-windows-msvc")
 }
diff --git a/src/tools/jsondoclint/src/validator.rs b/src/tools/jsondoclint/src/validator.rs
index 9e08f7e5f9b..904c2b614f3 100644
--- a/src/tools/jsondoclint/src/validator.rs
+++ b/src/tools/jsondoclint/src/validator.rs
@@ -21,7 +21,7 @@ const LOCAL_CRATE_ID: u32 = 0;
 ///              it is well formed. This involves calling `check_*` functions on
 ///              fields of that item, and `add_*` functions on [`Id`]s.
 /// - `add_*`: These add an [`Id`] to the worklist, after validating it to check if
-///            the `Id` is a kind expected in this suituation.
+///            the `Id` is a kind expected in this situation.
 #[derive(Debug)]
 pub struct Validator<'a> {
     pub(crate) errs: Vec<Error>,
diff --git a/src/tools/lld-wrapper/src/main.rs b/src/tools/lld-wrapper/src/main.rs
index da94e686f38..79e279a8614 100644
--- a/src/tools/lld-wrapper/src/main.rs
+++ b/src/tools/lld-wrapper/src/main.rs
@@ -1,6 +1,6 @@
 //! Script to invoke the bundled rust-lld with the correct flavor.
 //!
-//! lld supports multiple command line interfaces. If `-flavor <flavor>` are passed as the first
+//! `lld` supports multiple command line interfaces. If `-flavor <flavor>` are passed as the first
 //! two arguments the `<flavor>` command line interface is used to process the remaining arguments.
 //! If no `-flavor` argument is present the flavor is determined by the executable name.
 //!
diff --git a/src/tools/miri/cargo-miri/src/util.rs b/src/tools/miri/cargo-miri/src/util.rs
index d99957d9c22..28a824e54f6 100644
--- a/src/tools/miri/cargo-miri/src/util.rs
+++ b/src/tools/miri/cargo-miri/src/util.rs
@@ -269,7 +269,7 @@ pub fn get_target_dir(meta: &Metadata) -> PathBuf {
     output
 }
 
-/// Determines where the sysroot of this exeuction is
+/// Determines where the sysroot of this execution is
 ///
 /// Either in a user-specified spot by an envar, or in a default cache location.
 pub fn get_sysroot_dir() -> PathBuf {
diff --git a/src/tools/miri/miri-script/src/commands.rs b/src/tools/miri/miri-script/src/commands.rs
index 8e2b07ad805..bdf03ad6c71 100644
--- a/src/tools/miri/miri-script/src/commands.rs
+++ b/src/tools/miri/miri-script/src/commands.rs
@@ -255,7 +255,7 @@ impl Command {
         cmd!(sh, "git fetch http://localhost:{JOSH_PORT}/rust-lang/rust.git@{commit}{JOSH_FILTER}.git")
             .run()
             .map_err(|e| {
-                // Try to un-do the previous `git commit`, to leave the repo in the state we found it it.
+                // Try to un-do the previous `git commit`, to leave the repo in the state we found it.
                 cmd!(sh, "git reset --hard HEAD^")
                     .run()
                     .expect("FAILED to clean up again after failed `git fetch`, sorry for that");
diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs
index 55ff09c53fe..3b6c29b5eb1 100644
--- a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs
+++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs
@@ -9,7 +9,7 @@ use crate::borrow_tracker::{
 };
 use crate::ProvenanceExtra;
 
-/// Exactly what cache size we should use is a difficult tradeoff. There will always be some
+/// Exactly what cache size we should use is a difficult trade-off. There will always be some
 /// workload which has a `BorTag` working set which exceeds the size of the cache, and ends up
 /// falling back to linear searches of the borrow stack very often.
 /// The cost of making this value too large is that the loop in `Stack::insert` which ensures the
diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs
index b9f0b5bc17a..8abc8530f7c 100644
--- a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs
+++ b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs
@@ -390,7 +390,7 @@ struct DisplayFmtWrapper {
     warning_text: S,
 }
 
-/// Formating of the permissions on each range.
+/// Formatting of the permissions on each range.
 ///
 /// Example:
 /// ```rust,ignore (private type)
@@ -422,7 +422,7 @@ struct DisplayFmtPermission {
     range_sep: S,
 }
 
-/// Formating of the tree structure.
+/// Formatting of the tree structure.
 ///
 /// Example:
 /// ```rust,ignore (private type)
@@ -487,7 +487,7 @@ struct DisplayFmtAccess {
     meh: S,
 }
 
-/// All parameters to determine how the tree is formated.
+/// All parameters to determine how the tree is formatted.
 struct DisplayFmt {
     wrapper: DisplayFmtWrapper,
     perm: DisplayFmtPermission,
diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs
index bec51c7cdf2..28848e244ee 100644
--- a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs
+++ b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs
@@ -202,7 +202,7 @@ impl Permission {
         Self { inner: Frozen }
     }
 
-    /// Default initial permission of  the root of a new tre at out-of-bounds positions.
+    /// Default initial permission of  the root of a new tree at out-of-bounds positions.
     /// Must *only* be used for the root, this is not in general an "initial" permission!
     pub fn new_disabled() -> Self {
         Self { inner: Disabled }
diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs
index 6777f41ac2d..19acbdb697b 100644
--- a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs
+++ b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs
@@ -483,7 +483,7 @@ mod spurious_read {
         /// that causes UB in the target but not in the source.
         /// This implementation simply explores the reachable space
         /// by all sequences of `TestEvent`.
-        /// This function can be instanciated with `RetX` and `RetY`
+        /// This function can be instantiated with `RetX` and `RetY`
         /// among `NoRet` or `AllowRet` to resp. forbid/allow `x`/`y` to lose their
         /// protector.
         fn distinguishable<RetX, RetY>(&self, other: &Self) -> bool
diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs
index 6953ce81c5e..24e2c253852 100644
--- a/src/tools/miri/src/concurrency/thread.rs
+++ b/src/tools/miri/src/concurrency/thread.rs
@@ -111,7 +111,7 @@ pub enum BlockReason {
     Condvar(CondvarId),
     /// Blocked on a reader-writer lock.
     RwLock(RwLockId),
-    /// Blocled on a Futex variable.
+    /// Blocked on a Futex variable.
     Futex { addr: u64 },
     /// Blocked on an InitOnce.
     InitOnce(InitOnceId),
diff --git a/src/tools/miri/src/concurrency/weak_memory.rs b/src/tools/miri/src/concurrency/weak_memory.rs
index 574962c48d4..8c71eeb27aa 100644
--- a/src/tools/miri/src/concurrency/weak_memory.rs
+++ b/src/tools/miri/src/concurrency/weak_memory.rs
@@ -48,7 +48,7 @@
 //! One consequence of this difference is that safe/sound Rust allows for more operations on atomic locations
 //! than the C++20 atomic API was intended to allow, such as non-atomically accessing
 //! a previously atomically accessed location, or accessing previously atomically accessed locations with a differently sized operation
-//! (such as accessing the top 16 bits of an AtomicU32). These scenarios are generally undiscussed in formalisations of C++ memory model.
+//! (such as accessing the top 16 bits of an AtomicU32). These scenarios are generally undiscussed in formalizations of C++ memory model.
 //! In Rust, these operations can only be done through a `&mut AtomicFoo` reference or one derived from it, therefore these operations
 //! can only happen after all previous accesses on the same locations. This implementation is adapted to allow these operations.
 //! A mixed atomicity read that races with writes, or a write that races with reads or writes will still cause UBs to be thrown.
diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs
index 8854b185280..b3a81dc9ebf 100644
--- a/src/tools/miri/src/machine.rs
+++ b/src/tools/miri/src/machine.rs
@@ -206,11 +206,11 @@ pub enum Provenance {
     /// whether *some* exposed pointer could have done what we want to do, and if the answer is yes
     /// then we allow the access. This allows too much code in two ways:
     /// - The same wildcard pointer can "take the role" of multiple different exposed pointers on
-    ///   subsequenct memory accesses.
+    ///   subsequent memory accesses.
     /// - In the aliasing model, we don't just have to know the borrow tag of the pointer used for
     ///   the access, we also have to update the aliasing state -- and that update can be very
     ///   different depending on which borrow tag we pick! Stacked Borrows has support for this by
-    ///   switching to a stack that is only approximately known, i.e. we overapproximate the effect
+    ///   switching to a stack that is only approximately known, i.e. we over-approximate the effect
     ///   of using *any* exposed pointer for this access, and only keep information about the borrow
     ///   stack that would be true with all possible choices.
     Wildcard,
diff --git a/src/tools/miri/src/shims/unix/mem.rs b/src/tools/miri/src/shims/unix/mem.rs
index 0254735ac13..5f454e7799e 100644
--- a/src/tools/miri/src/shims/unix/mem.rs
+++ b/src/tools/miri/src/shims/unix/mem.rs
@@ -11,7 +11,7 @@
 //! calls to munmap, but for a very different reason. In principle, according to the man pages, it
 //! is possible to unmap arbitrary regions of address space. But in a high-level language like Rust
 //! this amounts to partial deallocation, which LLVM does not support. So any attempt to call our
-//! munmap shim which would partily unmap a region of address space previously mapped by mmap will
+//! munmap shim which would partially unmap a region of address space previously mapped by mmap will
 //! report UB.
 
 use crate::*;
@@ -78,7 +78,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
         // * The implementation does not support the combination of accesses requested in the
         // prot argument.
         //
-        // Miri doesn't support MAP_FIXED or any any protections other than PROT_READ|PROT_WRITE.
+        // Miri doesn't support MAP_FIXED or any protections other than PROT_READ|PROT_WRITE.
         if flags & map_fixed != 0 || prot != prot_read | prot_write {
             this.set_last_error(this.eval_libc("ENOTSUP"))?;
             return Ok(this.eval_libc("MAP_FAILED"));
diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs
index f24f279ab0f..0ba03d4ab78 100644
--- a/src/tools/miri/src/shims/unix/sync.rs
+++ b/src/tools/miri/src/shims/unix/sync.rs
@@ -390,7 +390,7 @@ fn reacquire_cond_mutex<'mir, 'tcx: 'mir>(
     Ok(())
 }
 
-/// After a thread waiting on a condvar was signalled:
+/// After a thread waiting on a condvar was signaled:
 /// Reacquire the conditional variable and remove the timeout callback if any
 /// was registered.
 fn post_cond_signal<'mir, 'tcx: 'mir>(
diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs
index e519fa5508d..cd7363c36f1 100644
--- a/src/tools/miri/src/shims/x86/mod.rs
+++ b/src/tools/miri/src/shims/x86/mod.rs
@@ -757,7 +757,7 @@ fn int_abs<'tcx>(
     Ok(())
 }
 
-/// Splits `op` (which must be a SIMD vector) into 128-bit chuncks.
+/// Splits `op` (which must be a SIMD vector) into 128-bit chunks.
 ///
 /// Returns a tuple where:
 /// * The first element is the number of 128-bit chunks (let's call it `N`).
@@ -788,7 +788,7 @@ fn split_simd_to_128bit_chunks<'tcx, P: Projectable<'tcx, Provenance>>(
     Ok((num_chunks, items_per_chunk, chunked_op))
 }
 
-/// Horizontaly performs `which` operation on adjacent values of
+/// Horizontally performs `which` operation on adjacent values of
 /// `left` and `right` SIMD vectors and stores the result in `dest`.
 /// "Horizontal" means that the i-th output element is calculated
 /// from the elements 2*i and 2*i+1 of the concatenation of `left` and
@@ -1256,7 +1256,7 @@ fn packusdw<'tcx>(
 
 /// Negates elements from `left` when the corresponding element in
 /// `right` is negative. If an element from `right` is zero, zero
-/// is writen to the corresponding output element.
+/// is written to the corresponding output element.
 /// In other words, multiplies `left` with `right.signum()`.
 fn psign<'tcx>(
     this: &mut crate::MiriInterpCx<'_, 'tcx>,
diff --git a/tests/ui/associated-types/associated-types-eq-2.rs b/tests/ui/associated-types/associated-types-eq-2.rs
index d71697e9a83..43b0208461e 100644
--- a/tests/ui/associated-types/associated-types-eq-2.rs
+++ b/tests/ui/associated-types/associated-types-eq-2.rs
@@ -4,7 +4,7 @@
 struct Bar;
 struct Qux;
 
-// Tests for a a non generic trait
+// Tests for a non generic trait
 pub trait Tr1 {
     type A;
     fn boo(&self) -> <Self as Tr1>::A;
diff --git a/tests/ui/coherence/associated-type2.rs b/tests/ui/coherence/associated-type2.rs
index 2aadfb04af0..68e98b62953 100644
--- a/tests/ui/coherence/associated-type2.rs
+++ b/tests/ui/coherence/associated-type2.rs
@@ -1,6 +1,6 @@
 //! A regression test for #120343. The overlap error was previously
 //! silenced in coherence because projecting `<() as ToUnit>::Unit`
-//! failed. Then then silenced the missing items error in the `ToUnit`
+//! failed. Then silenced the missing items error in the `ToUnit`
 //! impl, causing us to not emit any errors and ICEing due to a
 //! `span_delay_bug`.
 
diff --git a/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs b/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs
index 2f53bd019b7..e0d2e44e6e7 100644
--- a/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs
+++ b/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs
@@ -49,7 +49,7 @@ fn function3<T: Trait<'static, Assoc = usize>>() {
     // Trying to normalize the type `for<'a> fn(<T as Trait<'a>>::Assoc)`
     // only gets to `<T as Trait<'a>>::Assoc` once `'a` has been already
     // instantiated, causing us to prefer the where-bound over the impl
-    // resulting in a placeholder error. Even if were were to also use the
+    // resulting in a placeholder error. Even if we were to also use the
     // leak check during candidate selection for normalization, this
     // case would still not compile.
     let _higher_ranked_norm: for<'a> fn(<T as Trait<'a>>::Assoc) = |_| ();
diff --git a/tests/ui/parser/label-is-actually-char.rs b/tests/ui/parser/label-is-actually-char.rs
index 74df898d191..915ce86d269 100644
--- a/tests/ui/parser/label-is-actually-char.rs
+++ b/tests/ui/parser/label-is-actually-char.rs
@@ -1,4 +1,4 @@
-// Note: it's ok to interpret 'a as 'a', but but not ok to interpret 'abc as
+// Note: it's ok to interpret 'a as 'a', but not ok to interpret 'abc as
 // 'abc' because 'abc' is not a valid char literal.
 
 fn main() {
diff --git a/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs b/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs
index 0e1d44e7bb3..75a4fbdb5d6 100644
--- a/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs
+++ b/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs
@@ -1,4 +1,4 @@
-// User type annotation in fn bodies is a a valid defining site for opaque types.
+// User type annotation in fn bodies is a valid defining site for opaque types.
 //@ check-pass
 #![feature(type_alias_impl_trait)]
 
diff --git a/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs b/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs
index 59ba2694a76..b209b4bc89d 100644
--- a/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs
+++ b/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs
@@ -25,7 +25,7 @@ mod mod3 {
 }
 
 // This is similar to the previous cases in that 'a is equal to 'static,
-// which is is some sense an implicit parameter to `Opaque`.
+// which is some sense an implicit parameter to `Opaque`.
 // For example, given a defining use `Opaque<'a> := &'a ()`,
 // it is ambiguous whether `Opaque<'a> := &'a ()` or `Opaque<'a> := &'static ()`
 mod mod4 {