diff --git a/index.html b/index.html
index 93537283..486b96ca 100644
--- a/index.html
+++ b/index.html
@@ -641,7 +641,7 @@ knex('users').where('name', 'like', '%Test%').orWhereNotIn('id', [1, 2, 3])
 </pre>
 
     <p id="Builder-whereNull">
-      <b class="header">whereNull</b><code>.whereNull(column) / .orWhereNotNull</code>
+      <b class="header">whereNull</b><code>.whereNull(column) / .orWhereNull</code>
     </p>
 
 <pre class="display">