diff --git a/clippy_lints/src/implied_bounds_in_impls.rs b/clippy_lints/src/implied_bounds_in_impls.rs
index 7b97fc15caa..3bf8d618955 100644
--- a/clippy_lints/src/implied_bounds_in_impls.rs
+++ b/clippy_lints/src/implied_bounds_in_impls.rs
@@ -24,7 +24,7 @@ declare_clippy_lint! {
     ///
     /// ### Limitations
     /// This lint does not check for implied bounds transitively. Meaning that
-    /// it does't check for implied bounds from supertraits of supertraits
+    /// it doesn't check for implied bounds from supertraits of supertraits
     /// (e.g. `trait A {} trait B: A {} trait C: B {}`, then having an `fn() -> impl A + C`)
     ///
     /// ### Example
diff --git a/clippy_lints/src/methods/unused_enumerate_index.rs b/clippy_lints/src/methods/unused_enumerate_index.rs
index e5cc898612e..92f3ac5ff99 100644
--- a/clippy_lints/src/methods/unused_enumerate_index.rs
+++ b/clippy_lints/src/methods/unused_enumerate_index.rs
@@ -78,7 +78,7 @@ pub(super) fn check(cx: &LateContext<'_>, call_expr: &Expr<'_>, recv: &Expr<'_>,
         && match_def_path(cx, enumerate_defid, &CORE_ITER_ENUMERATE_METHOD)
     {
         // Check if the tuple type was explicit. It may be the type system _needs_ the type of the element
-        // that would be explicited in the closure.
+        // that would be explicitly in the closure.
         let new_closure_param = match find_elem_explicit_type_span(closure.fn_decl) {
             // We have an explicit type. Get its snippet, that of the binding name, and do `binding: ty`.
             // Fallback to `..` if we fail getting either snippet.
diff --git a/clippy_lints/src/size_of_ref.rs b/clippy_lints/src/size_of_ref.rs
index 14ca7a3f004..8d7f12af86e 100644
--- a/clippy_lints/src/size_of_ref.rs
+++ b/clippy_lints/src/size_of_ref.rs
@@ -28,7 +28,7 @@ declare_clippy_lint! {
     ///     fn size(&self) -> usize {
     ///         // Note that `&self` as an argument is a `&&Foo`: Because `self`
     ///         // is already a reference, `&self` is a double-reference.
-    ///         // The return value of `size_of_val()` therefor is the
+    ///         // The return value of `size_of_val()` therefore is the
     ///         // size of the reference-type, not the size of `self`.
     ///         std::mem::size_of_val(&self)
     ///     }
diff --git a/tests/ui/mistyped_literal_suffix.fixed b/tests/ui/mistyped_literal_suffix.fixed
index 861764a2aee..b84b3dc349e 100644
--- a/tests/ui/mistyped_literal_suffix.fixed
+++ b/tests/ui/mistyped_literal_suffix.fixed
@@ -32,7 +32,7 @@ fn main() {
     // testing that the suggestion actually fits in its type
     let fail30 = 127_i8; // should be i8
     let fail31 = 240_u8; // should be u8
-    let ok32 = 360_8; // doesnt fit in either, should be ignored
+    let ok32 = 360_8; // doesn't fit in either, should be ignored
     let fail33 = 0x1234_i16;
     let fail34 = 0xABCD_u16;
     let ok35 = 0x12345_16;
diff --git a/tests/ui/mistyped_literal_suffix.rs b/tests/ui/mistyped_literal_suffix.rs
index 4a15c335fd8..a47a736067a 100644
--- a/tests/ui/mistyped_literal_suffix.rs
+++ b/tests/ui/mistyped_literal_suffix.rs
@@ -32,7 +32,7 @@ fn main() {
     // testing that the suggestion actually fits in its type
     let fail30 = 127_8; // should be i8
     let fail31 = 240_8; // should be u8
-    let ok32 = 360_8; // doesnt fit in either, should be ignored
+    let ok32 = 360_8; // doesn't fit in either, should be ignored
     let fail33 = 0x1234_16;
     let fail34 = 0xABCD_16;
     let ok35 = 0x12345_16;
diff --git a/tests/ui/type_id_on_box_unfixable.rs b/tests/ui/type_id_on_box_unfixable.rs
index f6d09834adb..67e398e604b 100644
--- a/tests/ui/type_id_on_box_unfixable.rs
+++ b/tests/ui/type_id_on_box_unfixable.rs
@@ -19,7 +19,7 @@ where
 impl<T> NormalTrait for T {}
 
 fn main() {
-    // (currently we don't look deeper than one level into the supertrait hierachy, but we probably
+    // (currently we don't look deeper than one level into the supertrait hierarchy, but we probably
     // could)
     let b: Box<dyn AnySubSubTrait> = Box::new(1);
     let _ = b.type_id();
diff --git a/util/gh-pages/script.js b/util/gh-pages/script.js
index f59245e556c..c63edd5bf70 100644
--- a/util/gh-pages/script.js
+++ b/util/gh-pages/script.js
@@ -415,7 +415,7 @@
                 let terms = searchStr.split(" ");
                 let docsLowerCase = lint.docs.toLowerCase();
                 for (index = 0; index < terms.length; index++) {
-                    // This is more likely and will therefor be checked first
+                    // This is more likely and will therefore be checked first
                     if (docsLowerCase.indexOf(terms[index]) !== -1) {
                         continue;
                     }