diff --git a/scss/_custom-forms.scss b/scss/_custom-forms.scss
index 54fa8751ce..c2ff758e15 100644
--- a/scss/_custom-forms.scss
+++ b/scss/_custom-forms.scss
@@ -54,7 +54,7 @@
 
 // Custom control indicators
 //
-// Build the custom controls out of psuedo-elements.
+// Build the custom controls out of pseudo-elements.
 
 .custom-control-label {
   margin-bottom: 0;
@@ -298,7 +298,7 @@
 
 // Range
 //
-// Style range inputs the same across browsers. Vendor-specific rules for psuedo
+// Style range inputs the same across browsers. Vendor-specific rules for pseudo
 // elements cannot be mixed. As such, there are no shared styles for focus or
 // active states on prefixed selectors.
 
diff --git a/scss/_variables.scss b/scss/_variables.scss
index 1e174294c9..896201a2c7 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -898,7 +898,7 @@ $carousel-control-icon-width:       20px !default;
 $carousel-control-prev-icon-bg:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"), "#", "%23") !default;
 $carousel-control-next-icon-bg:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$carousel-transition:               transform .6s ease !default; // Define transform transition first if using multiple transitons (e.g., `transform 2s ease, opacity .5s ease-out`)
+$carousel-transition:               transform .6s ease !default; // Define transform transition first if using multiple transitions (e.g., `transform 2s ease, opacity .5s ease-out`)
 
 
 // Close
diff --git a/scss/mixins/_hover.scss b/scss/mixins/_hover.scss
index 57823e34ba..c1224ffc53 100644
--- a/scss/mixins/_hover.scss
+++ b/scss/mixins/_hover.scss
@@ -5,7 +5,7 @@
 // would persist after initial touch.
 //
 // For backward compatibility, we've kept these mixins and updated them to
-// always return their regular psuedo-classes instead of a shimmed media query.
+// always return their regular pseudo-classes instead of a shimmed media query.
 //
 // Issue: https://github.com/twbs/bootstrap/issues/25195