Some "parenthesis" and "parentheses" fixes

4 files changed, 6 insertions, 6 deletions

diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs
index 8095f386fa3..81328e09156 100644
--- a/compiler/rustc_parse/src/parser/diagnostics.rs
+++ b/compiler/rustc_parse/src/parser/diagnostics.rs
@@ -1342,10 +1342,10 @@ impl<'a> Parser<'a> {
 
                 self.struct_span_err(
                     MultiSpan::from_spans(vec![begin_par_sp, self.prev_token.span]),
-                    "unexpected parenthesis surrounding `for` loop head",
+                    "unexpected parentheses surrounding `for` loop head",
                 )
                 .multipart_suggestion(
-                    "remove parenthesis in `for` loop",
+                    "remove parentheses in `for` loop",
                     vec![(begin_par_sp, String::new()), (self.prev_token.span, String::new())],
                     // With e.g. `for (x) in y)` this would replace `(x) in y)`
                     // with `x) in y)` which is syntactically invalid.
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs
index 5c701fefd17..e50b983ec62 100644
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -1258,7 +1258,7 @@ impl<'a> Parser<'a> {
     /// Parses `pub`, `pub(crate)` and `pub(in path)` plus shortcuts `crate` for `pub(crate)`,
     /// `pub(self)` for `pub(in self)` and `pub(super)` for `pub(in super)`.
     /// If the following element can't be a tuple (i.e., it's a function definition), then
-    /// it's not a tuple struct field), and the contents within the parentheses isn't valid,
+    /// it's not a tuple struct field), and the contents within the parentheses aren't valid,
     /// so emit a proper diagnostic.
     // Public for rustfmt usage.
     pub fn parse_visibility(&mut self, fbt: FollowedByType) -> PResult<'a, Visibility> {
diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs
index 9ec6effeb4e..c4569c07db4 100644
--- a/compiler/rustc_parse/src/parser/stmt.rs
+++ b/compiler/rustc_parse/src/parser/stmt.rs
@@ -328,7 +328,7 @@ impl<'a> Parser<'a> {
                     ),
                 )
                 .multipart_suggestion(
-                    "wrap the expression in parenthesis",
+                    "wrap the expression in parentheses",
                     suggs,
                     Applicability::MachineApplicable,
                 )
@@ -349,7 +349,7 @@ impl<'a> Parser<'a> {
                 "right curly brace `}` before `else` in a `let...else` statement not allowed",
             )
             .multipart_suggestion(
-                "try wrapping the expression in parenthesis",
+                "try wrapping the expression in parentheses",
                 suggs,
                 Applicability::MachineApplicable,
             )
diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs
index 98400372c36..c4c0c17addf 100644
--- a/compiler/rustc_parse/src/parser/ty.rs
+++ b/compiler/rustc_parse/src/parser/ty.rs
@@ -430,7 +430,7 @@ impl<'a> Parser<'a> {
     }
 
     // Parses the `typeof(EXPR)`.
-    // To avoid ambiguity, the type is surrounded by parenthesis.
+    // To avoid ambiguity, the type is surrounded by parentheses.
     fn parse_typeof_ty(&mut self) -> PResult<'a, TyKind> {
         self.expect(&token::OpenDelim(token::Paren))?;
         let expr = self.parse_anon_const_expr()?;