diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs
index bdc796aca3a46..e4d5ebb82e8c8 100644
--- a/compiler/rustc_hir_typeck/src/method/probe.rs
+++ b/compiler/rustc_hir_typeck/src/method/probe.rs
@@ -1935,7 +1935,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> {
         }
     }
 
-    /// Determine if the associated item withe the given DefId matches
+    /// Determine if the associated item with the given DefId matches
     /// the desired name via a doc alias.
     fn matches_by_doc_alias(&self, def_id: DefId) -> bool {
         let Some(name) = self.method_name else {
diff --git a/compiler/rustc_mir_build/src/build/scope.rs b/compiler/rustc_mir_build/src/build/scope.rs
index 88ac05cabb659..aef63896dde1e 100644
--- a/compiler/rustc_mir_build/src/build/scope.rs
+++ b/compiler/rustc_mir_build/src/build/scope.rs
@@ -774,7 +774,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
         let (current_root, parent_root) =
             if self.tcx.sess.opts.unstable_opts.maximal_hir_to_mir_coverage {
                 // Some consumers of rustc need to map MIR locations back to HIR nodes. Currently
-                // the the only part of rustc that tracks MIR -> HIR is the
+                // the only part of rustc that tracks MIR -> HIR is the
                 // `SourceScopeLocalData::lint_root` field that tracks lint levels for MIR
                 // locations. Normally the number of source scopes is limited to the set of nodes
                 // with lint annotations. The -Zmaximal-hir-to-mir-coverage flag changes this
diff --git a/src/tools/rustfmt/CHANGELOG.md b/src/tools/rustfmt/CHANGELOG.md
index ec4c682d2c4d0..1abc49a49fdd8 100644
--- a/src/tools/rustfmt/CHANGELOG.md
+++ b/src/tools/rustfmt/CHANGELOG.md
@@ -27,7 +27,7 @@
   }
   ```
 - Prevent ICE when formatting `vec!{}` [#5735](https://github.com/rust-lang/rustfmt/issues/5735)
-- Prevent internal trailing whitespace error when formatting an empty `macro_rules!` defintion e.g. `macro_rules! foo {}` [#5882](https://github.com/rust-lang/rustfmt/issues/5882)
+- Prevent internal trailing whitespace error when formatting an empty `macro_rules!` definition e.g. `macro_rules! foo {}` [#5882](https://github.com/rust-lang/rustfmt/issues/5882)
 - Formatting doc comment lines that start with `.` or `)` won't be treated as ordered markdown lists because `.` or `)` must be preceded by a number to start an ordered markdown list [#5835](https://github.com/rust-lang/rustfmt/pull/5835)
 - Add parenthesis around closures when they're used as method receives, don't have a block body, and end with `.` [#4808](https://github.com/rust-lang/rustfmt/issues/4808)
   ```rust
@@ -60,7 +60,7 @@
   ```
 - Improve formatting of `let-else` statements that have leading attributes When setting `version = Two` [#5901](https://github.com/rust-lang/rustfmt/issues/5901)
 - Prevent comment duplication in expressions wrapped in parenthesis. [#5871](https://github.com/rust-lang/rustfmt/issues/5871)
-- Adjust the span derivation used when rewriting const generics. The incorrect span derivation lead to invalid code after reformatting. [#5935](https://github.com/rust-lang/rustfmt/issues/5935)
+- Adjust the span derivation used when rewriting const generics. The incorrect span derivation leads to invalid code after reformatting. [#5935](https://github.com/rust-lang/rustfmt/issues/5935)
 
 
 ### Changed
@@ -184,7 +184,7 @@
 
 - Simplify the rustfmt help text by eliding the full path to the rustfmt binary path from the usage string when running `rustfmt --help` [#5214](https://github.com/rust-lang/rustfmt/issues/5214)
 
-- Bumped the version for serveral dependencies. Most notably `dirs` `v2.0.1` -> `v4.0.0`. This changed the global user config directory on macOS from `$HOME/Library/Preferences` to `$HOME/Library/Application Support` [#5237](https://github.com/rust-lang/rustfmt/pull/5237)
+- Bumped the version for several dependencies. Most notably `dirs` `v2.0.1` -> `v4.0.0`. This changed the global user config directory on macOS from `$HOME/Library/Preferences` to `$HOME/Library/Application Support` [#5237](https://github.com/rust-lang/rustfmt/pull/5237)
 
 ### Fixed
 
@@ -1195,7 +1195,7 @@ from formatting an attribute #3665
 - Do not collapse block around expr with condition on match arm 5b9b7d5
 - Use vertical layout for complex attributes c77708f
 - Format array using heuristics for function calls 98c6f7b
-- Implement stable ordering for impl items with the the following item priority: type, const, macro, then method fa80ddf
+- Implement stable ordering for impl items with the following item priority: type, const, macro, then method fa80ddf
 - Reorder imports by default 164cf7d
 - Group `extern crate` by default 3a138a2
 - Make `error_on_line_overflow` false by default f146711
diff --git a/src/tools/rustfmt/Processes.md b/src/tools/rustfmt/Processes.md
index 61abc87eec9ff..64ef20a9bd76d 100644
--- a/src/tools/rustfmt/Processes.md
+++ b/src/tools/rustfmt/Processes.md
@@ -16,7 +16,7 @@ In this Section, we describe how to stabilise an option of the rustfmt's configu
 Open a pull request that closes the tracking issue. The tracking issue is listed beside the option in `Configurations.md`.
 
 - Update the `Config` enum marking the option as stable.
-- Update the the `Configuration.md` file marking the option as stable.
+- Update the `Configuration.md` file marking the option as stable.
 - Update `CHANGELOG.md` marking the option as stable.
 
 ## After the stabilisation
diff --git a/src/tools/rustfmt/src/comment.rs b/src/tools/rustfmt/src/comment.rs
index 7d1b0384431be..607bd07c013ae 100644
--- a/src/tools/rustfmt/src/comment.rs
+++ b/src/tools/rustfmt/src/comment.rs
@@ -208,7 +208,7 @@ pub(crate) fn combine_strs_with_missing_comments(
 
     // We have a missing comment between the first expression and the second expression.
 
-    // Peek the the original source code and find out whether there is a newline between the first
+    // Peek at the original source code and find out whether there is a newline between the first
     // expression and the second expression or the missing comment. We will preserve the original
     // layout whenever possible.
     let original_snippet = context.snippet(span);
@@ -509,7 +509,7 @@ impl ItemizedBlock {
         if line.trim_start().starts_with(">") {
             // remove the original +2 indent because there might be multiple nested block quotes
             // and it's easier to reason about the final indent by just taking the length
-            // of the new line_start. We update the indent because it effects the max width
+            // of the new line_start. We update the indent because it affects the max width
             // of each formatted line.
             line_start = itemized_block_quote_start(line, line_start, 2);
             indent = line_start.len();
diff --git a/src/tools/rustfmt/src/config/options.rs b/src/tools/rustfmt/src/config/options.rs
index 03fd91eb10f0c..ffe6015ada5d7 100644
--- a/src/tools/rustfmt/src/config/options.rs
+++ b/src/tools/rustfmt/src/config/options.rs
@@ -191,7 +191,7 @@ pub enum Color {
 pub enum Version {
     /// 1.x.y. When specified, rustfmt will format in the same style as 1.0.0.
     One,
-    /// 2.x.y. When specified, rustfmt will format in the the latest style.
+    /// 2.x.y. When specified, rustfmt will format in the latest style.
     Two,
 }
 
@@ -416,7 +416,7 @@ pub trait CliOptions {
     fn config_path(&self) -> Option<&Path>;
 }
 
-/// The edition of the syntax and semntics of code (RFC 2052).
+/// The edition of the syntax and semantics of code (RFC 2052).
 #[config_type]
 pub enum Edition {
     #[value = "2015"]