diff --git a/css.html b/css.html
index b8403fa6fb..64b7b1d5e9 100644
--- a/css.html
+++ b/css.html
@@ -607,27 +607,27 @@ base_url: "../"
       <table class="table">
         <tbody>
           <tr>
-            <td><h1>Bootstrap heading</h1></td>
+            <td><h1>h1. Bootstrap heading</h1></td>
             <td>Semibold 38px</td>
           </tr>
           <tr>
-            <td><h2>Bootstrap heading</h2></td>
+            <td><h2>h2. Bootstrap heading</h2></td>
             <td>Semibold 32px</td>
           </tr>
           <tr>
-            <td><h3>Bootstrap heading</h3></td>
+            <td><h3>h3. Bootstrap heading</h3></td>
             <td>Semibold 24px</td>
           </tr>
           <tr>
-            <td><h4>Bootstrap heading</h4></td>
+            <td><h4>h4. Bootstrap heading</h4></td>
             <td>Semibold 18px</td>
           </tr>
           <tr>
-            <td><h5>Bootstrap heading</h5></td>
+            <td><h5>h5. Bootstrap heading</h5></td>
             <td>Semibold 14px</td>
           </tr>
           <tr>
-            <td><h6>Bootstrap heading</h6></td>
+            <td><h6>h6. Bootstrap heading</h6></td>
             <td>Semibold 12px</td>
           </tr>
         </tbody>