diff --git a/docs/4.0/content/tables.md b/docs/4.0/content/tables.md
index d4506c2c9f..791de590db 100644
--- a/docs/4.0/content/tables.md
+++ b/docs/4.0/content/tables.md
@@ -1,7 +1,7 @@
 ---
 layout: docs
 title: Tables
-description: Documentation and examples for opt-in styling of tables (given their prevelant use in JavaScript plugins) with Bootstrap.
+description: Documentation and examples for opt-in styling of tables (given their prevalent use in JavaScript plugins) with Bootstrap.
 group: content
 toc: true
 ---
diff --git a/js/tests/unit/collapse.js b/js/tests/unit/collapse.js
index c36fe25bee..f20c0809c0 100644
--- a/js/tests/unit/collapse.js
+++ b/js/tests/unit/collapse.js
@@ -642,7 +642,7 @@ $(function () {
     $trigger3.trigger('click')
   })
 
-  QUnit.test('should set aria-expanded="true" to triggers targetting shown collaspe and aria-expanded="false" only when all the targeted collapses are shown', function (assert) {
+  QUnit.test('should set aria-expanded="true" to triggers targeting shown collaspe and aria-expanded="false" only when all the targeted collapses are shown', function (assert) {
     assert.expect(9)
     var done = assert.async()
 
diff --git a/scss/_custom-forms.scss b/scss/_custom-forms.scss
index 455a208865..54af829b61 100644
--- a/scss/_custom-forms.scss
+++ b/scss/_custom-forms.scss
@@ -153,7 +153,7 @@
 
     &::-ms-value {
       // For visual consistency with other platforms/browsers,
-      // supress the default white text on blue background highlight given to
+      // suppress the default white text on blue background highlight given to
       // the selected option text when the (still closed) <select> receives focus
       // in IE and (under certain conditions) Edge.
       // See https://github.com/twbs/bootstrap/issues/19398.
diff --git a/scss/_functions.scss b/scss/_functions.scss
index a95ad4375f..5580dfa9ad 100644
--- a/scss/_functions.scss
+++ b/scss/_functions.scss
@@ -63,7 +63,7 @@
   }
 }
 
-// Retreive color Sass maps
+// Retrieve color Sass maps
 @function color($key: "blue") {
   @return map-get($colors, $key);
 }