diff --git a/documentation/index.html.erb b/documentation/index.html.erb
index a946b1f7..b1c02fef 100644
--- a/documentation/index.html.erb
+++ b/documentation/index.html.erb
@@ -81,7 +81,7 @@ alert reverse '!tpircseeffoC'</textarea>
         </div>
       </div>
     </div>
-    <div id="error"></div>
+    <div id="error" style="display:none;"></div>
   </div>
 
   <div class="container">
diff --git a/index.html b/index.html
index 9ab0a4d4..370d7933 100644
--- a/index.html
+++ b/index.html
@@ -67,7 +67,7 @@ alert reverse '!tpircseeffoC'</textarea>
         </div>
       </div>
     </div>
-    <div id="error"></div>
+    <div id="error" style="display:none;"></div>
   </div>
 
   <div class="container">