Rollup merge of #55269 - matthiaskrgr:typos_oct, r=zackmdavis

fix typos in various places

4 files changed, 4 insertions, 4 deletions

diff --git a/src/libcore/alloc.rs b/src/libcore/alloc.rs
index 35e4eea756d..4efcaae59b0 100644
--- a/src/libcore/alloc.rs
+++ b/src/libcore/alloc.rs
@@ -518,7 +518,7 @@ pub unsafe trait GlobalAlloc {
     /// The block is described by the given `ptr` pointer and `layout`.
     ///
     /// If this returns a non-null pointer, then ownership of the memory block
-    /// referenced by `ptr` has been transferred to this alloctor.
+    /// referenced by `ptr` has been transferred to this allocator.
     /// The memory may or may not have been deallocated,
     /// and should be considered unusable (unless of course it was
     /// transferred back to the caller again via the return value of
diff --git a/src/libcore/intrinsics.rs b/src/libcore/intrinsics.rs
index 56a24168e28..cceae9249e4 100644
--- a/src/libcore/intrinsics.rs
+++ b/src/libcore/intrinsics.rs
@@ -1025,7 +1025,7 @@ extern "rust-intrinsic" {
     ///         // to avoid problems in case something further down panics.
     ///         src.set_len(0);
     ///
-    ///         // The two regions cannot overlap becuase mutable references do
+    ///         // The two regions cannot overlap because mutable references do
     ///         // not alias, and two different vectors cannot own the same
     ///         // memory.
     ///         ptr::copy_nonoverlapping(src_ptr, dst_ptr, src_len);
diff --git a/src/libcore/pin.rs b/src/libcore/pin.rs
index 0224560af4c..a03c080fb3f 100644
--- a/src/libcore/pin.rs
+++ b/src/libcore/pin.rs
@@ -102,7 +102,7 @@ pub use marker::Unpin;
 /// value in place, preventing the value referenced by that pointer from being moved
 /// unless it implements [`Unpin`].
 ///
-/// See the [`pin` module] documentation for furthur explanation on pinning.
+/// See the [`pin` module] documentation for further explanation on pinning.
 ///
 /// [`Unpin`]: ../../std/marker/trait.Unpin.html
 /// [`pin` module]: ../../std/pin/index.html
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index 1c761ba21b3..b699cb02884 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -38,7 +38,7 @@
 //!   underlying object is live and no reference (just raw pointers) is used to
 //!   access the same memory.
 //!
-//! These axioms, along with careful use of [`offset`] for pointer arithmentic,
+//! These axioms, along with careful use of [`offset`] for pointer arithmetic,
 //! are enough to correctly implement many useful things in unsafe code. Stronger guarantees
 //! will be provided eventually, as the [aliasing] rules are being determined. For more
 //! information, see the [book] as well as the section in the reference devoted