diff --git a/guides/theming.md b/guides/theming.md
index 616ac1dc1997..63bdbeca638f 100644
--- a/guides/theming.md
+++ b/guides/theming.md
@@ -412,7 +412,7 @@ $dark-theme: mat.define-dark-theme((
 .the-dense-zone {
   @include mat.button-density(-1);
 }
-```  
+```
 
 ## Strong focus indicators