diff --git a/docs/_includes/js/modal.html b/docs/_includes/js/modal.html
index 92adb3af56..59fc80dae7 100644
--- a/docs/_includes/js/modal.html
+++ b/docs/_includes/js/modal.html
@@ -270,47 +270,47 @@ $('#myModal').on('shown.bs.modal', function () {
 </div><!-- /example -->
 {% highlight html %}
 <div class="modal fade" role="dialog" aria-labelledby="gridSystemModalLabel">
-    <div class="modal-dialog">
-      <div class="modal-content">
-        <div class="modal-header">
-          <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
-          <h4 class="modal-title" id="gridSystemModalLabel">Modal title</h4>
-        </div>
-        <div class="modal-body">
-          <div class="container-fluid">
-            <div class="row">
-              <div class="col-md-4">.col-md-4</div>
-              <div class="col-md-4 col-md-offset-4">.col-md-4 .col-md-offset-4</div>
-            </div>
-            <div class="row">
-              <div class="col-md-3 col-md-offset-3">.col-md-3 .col-md-offset-3</div>
-              <div class="col-md-2 col-md-offset-4">.col-md-2 .col-md-offset-4</div>
-            </div>
-            <div class="row">
-              <div class="col-md-6 col-md-offset-3">.col-md-6 .col-md-offset-3</div>
-            </div>
-            <div class="row">
-              <div class="col-sm-9">
-                Level 1: .col-sm-9
-                <div class="row">
-                  <div class="col-xs-8 col-sm-6">
-                    Level 2: .col-xs-8 .col-sm-6
-                  </div>
-                  <div class="col-xs-4 col-sm-6">
-                    Level 2: .col-xs-4 .col-sm-6
-                  </div>
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header">
+        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+        <h4 class="modal-title" id="gridSystemModalLabel">Modal title</h4>
+      </div>
+      <div class="modal-body">
+        <div class="container-fluid">
+          <div class="row">
+            <div class="col-md-4">.col-md-4</div>
+            <div class="col-md-4 col-md-offset-4">.col-md-4 .col-md-offset-4</div>
+          </div>
+          <div class="row">
+            <div class="col-md-3 col-md-offset-3">.col-md-3 .col-md-offset-3</div>
+            <div class="col-md-2 col-md-offset-4">.col-md-2 .col-md-offset-4</div>
+          </div>
+          <div class="row">
+            <div class="col-md-6 col-md-offset-3">.col-md-6 .col-md-offset-3</div>
+          </div>
+          <div class="row">
+            <div class="col-sm-9">
+              Level 1: .col-sm-9
+              <div class="row">
+                <div class="col-xs-8 col-sm-6">
+                  Level 2: .col-xs-8 .col-sm-6
+                </div>
+                <div class="col-xs-4 col-sm-6">
+                  Level 2: .col-xs-4 .col-sm-6
                 </div>
               </div>
             </div>
           </div>
         </div>
-        <div class="modal-footer">
-          <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
-          <button type="button" class="btn btn-primary">Save changes</button>
-        </div>
-      </div><!-- /.modal-content -->
-    </div><!-- /.modal-dialog -->
-  </div><!-- /.modal -->
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+        <button type="button" class="btn btn-primary">Save changes</button>
+      </div>
+    </div><!-- /.modal-content -->
+  </div><!-- /.modal-dialog -->
+</div><!-- /.modal -->
 
 {% endhighlight %}