diff --git a/src/_includes/navigation.html b/src/_includes/navigation.html
index 188f37937e..f24bb8cecf 100644
--- a/src/_includes/navigation.html
+++ b/src/_includes/navigation.html
@@ -3635,6 +3635,14 @@
     
   </li>
   
+  <li>
+    
+    
+      <a href="/files/activemodel/lib/active_model/type/helpers/timezone_rb.html">timezone.rb</a>
+    
+    
+  </li>
+  
 </ul>
 
     
@@ -7748,6 +7756,14 @@
     
       <ul style="display:none;">
   
+  <li>
+    
+    
+      <a href="/files/activesupport/lib/active_support/core_ext/range/compare_range_rb.html">compare_range.rb</a>
+    
+    
+  </li>
+  
   <li>
     
     
@@ -15350,6 +15366,14 @@
     
   </li>
   
+  <li>
+    
+    
+      <a href="/classes/ActiveModel/Type/Helpers/Timezone.html">Timezone</a>
+    
+    
+  </li>
+  
 </ul>
 
     
diff --git a/src/_sass/railsdoc.scss b/src/_sass/railsdoc.scss
index 4a9ec617d5..9b7ca87fe3 100644
--- a/src/_sass/railsdoc.scss
+++ b/src/_sass/railsdoc.scss
@@ -48,9 +48,10 @@ code {
   position: sticky;
   order: 2;
   top: $navbar-height;
-  height: calc(100vh - #{$navbar-height});
+  max-height: calc(100vh - #{$navbar-height});
   z-index: 100; /* Behind the navbar */
   box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
+  overflow-y: auto;
 
   .toc-content {
     padding-top: 20px;
@@ -60,7 +61,7 @@ code {
 }
 
 .section-nav {
-  padding-left: 1rem;
+  padding-left: .5rem;
   border-left: 1px solid #eee;
   
   ul {
@@ -80,6 +81,9 @@ code {
 
 .toc-entry {
   display: block;
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
 }
 
 .sidebar-content {
@@ -177,7 +181,7 @@ code {
     margin-top: 1rem;
   }
 
-  h2[id]::before, h3[id]::before, h4[id]::before, h5[id]::before {
+  h2[id]::before, h3[id]::before, h4[id]::before, h5[id]::before, h6[id]::before {
     display: block;
     height: $hacky-div-height;
     margin-top: -$hacky-div-height;
diff --git a/src/created.rid b/src/created.rid
index 6021ae14fa..8a507a595d 100644
--- a/src/created.rid
+++ b/src/created.rid
@@ -1,4 +1,4 @@
-Fri, 17 May 2019 23:08:50 +0900
+Sun, 19 May 2019 01:05:25 +0900
 railties/RDOC_MAIN.rdoc	Wed, 13 Feb 2019 05:46:11 +0900
 activesupport/README.rdoc	Wed, 13 Feb 2019 05:46:11 +0900
 activesupport/lib/active_support/all.rb	Wed, 16 Jan 2019 00:38:48 +0900