diff --git a/docs/utilities/layout.md b/docs/utilities/layout.md
index ff248b3..38ec1b2 100644
--- a/docs/utilities/layout.md
+++ b/docs/utilities/layout.md
@@ -105,8 +105,8 @@ This button will be hidden until medium screen sizes:
 These headings will be `inline-block`:
 
 ### heading 3
-{ .d-inline-block }
+{: .d-inline-block }
 
 ### heading 3
-{ .d-inline-block }
+{: .d-inline-block }
 ```