fix more typos found by codespell.

3 files changed, 4 insertions, 4 deletions

diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index c7ab6158256..8c1e5cf7586 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -918,7 +918,7 @@ pub struct Expr {
 }
 
 impl Expr {
-    /// Wether this expression would be valid somewhere that expects a value, for example, an `if`
+    /// Whether this expression would be valid somewhere that expects a value, for example, an `if`
     /// condition.
     pub fn returns(&self) -> bool {
         if let ExprKind::Block(ref block) = self.node {
diff --git a/src/libsyntax/config.rs b/src/libsyntax/config.rs
index fc82357455b..aa360ed1bf5 100644
--- a/src/libsyntax/config.rs
+++ b/src/libsyntax/config.rs
@@ -114,7 +114,7 @@ impl<'a> StripUnconfigured<'a> {
         }
     }
 
-    // Determine if a node with the given attributes should be included in this configuation.
+    // Determine if a node with the given attributes should be included in this configuration.
     pub fn in_cfg(&mut self, attrs: &[ast::Attribute]) -> bool {
         attrs.iter().all(|attr| {
             // When not compiling with --test we should not compile the #[test] functions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index ac582627f88..7915109ce3a 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -3912,7 +3912,7 @@ impl<'a> Parser<'a> {
                                           "use `=` if you meant to assign",
                                           "=".to_string());
                 err.emit();
-                // As this was parsed successfuly, continue as if the code has been fixed for the
+                // As this was parsed successfully, continue as if the code has been fixed for the
                 // rest of the file. It will still fail due to the emitted error, but we avoid
                 // extra noise.
                 init
@@ -6571,7 +6571,7 @@ impl<'a> Parser<'a> {
             return Ok(Some(macro_def));
         }
 
-        // Verify wether we have encountered a struct or method definition where the user forgot to
+        // Verify whether we have encountered a struct or method definition where the user forgot to
         // add the `struct` or `fn` keyword after writing `pub`: `pub S {}`
         if visibility == Visibility::Public &&
             self.check_ident() &&