diff --git a/docs/_includes/js/collapse.html b/docs/_includes/js/collapse.html
index 5701fbc26d..7dce0e6849 100644
--- a/docs/_includes/js/collapse.html
+++ b/docs/_includes/js/collapse.html
@@ -31,7 +31,7 @@
       <div class="panel panel-default">
         <div class="panel-heading" role="tab" id="headingTwo">
           <h4 class="panel-title">
-            <a data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
+            <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
               Collapsible Group Item #2
             </a>
           </h4>
@@ -45,7 +45,7 @@
       <div class="panel panel-default">
         <div class="panel-heading" role="tab" id="headingThree">
           <h4 class="panel-title">
-            <a data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
+            <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
               Collapsible Group Item #3
             </a>
           </h4>
@@ -77,7 +77,7 @@
   <div class="panel panel-default">
     <div class="panel-heading" role="tab" id="headingTwo">
       <h4 class="panel-title">
-        <a data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
+        <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
           Collapsible Group Item #2
         </a>
       </h4>
@@ -91,7 +91,7 @@
   <div class="panel panel-default">
     <div class="panel-heading" role="tab" id="headingThree">
       <h4 class="panel-title">
-        <a data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
+        <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
           Collapsible Group Item #3
         </a>
       </h4>