diff --git a/_layouts/2017/home.html b/_layouts/2017/home.html
index 2e49145ad..37125ce07 100644
--- a/_layouts/2017/home.html
+++ b/_layouts/2017/home.html
@@ -59,6 +59,12 @@ type: website
         {% endif %}
       {% endfor %}
     {% endfor %}
+
+    <div class='message item missing-message'>
+      <h3>See something missing?</h3>
+      <p>
+        <a class='push-button' href='{{ site.github.repository_url }}/issues/new?title=Cheatsheet%20request:%20APP_NAME_HERE'>Request cheatsheet</a>
+      </p>
   </div>
 </div>
 
diff --git a/_sass/2017/components/missing-message.scss b/_sass/2017/components/missing-message.scss
new file mode 100644
index 000000000..dd61b415a
--- /dev/null
+++ b/_sass/2017/components/missing-message.scss
@@ -0,0 +1,42 @@
+.missing-message.missing-message {
+  text-align: center;
+  border: solid 1px $dark-line-color;
+  margin: 32px 0;
+  padding: 16px;
+
+  & > h3,
+  & > p {
+    margin: 16px 0;
+    padding: 0;
+  }
+
+  & > h3 {
+    @include font-size(1);
+    font-weight: normal;
+    color: $base-text;
+  }
+
+  & > p {
+    color: $base-mute;
+  }
+}
+
+.push-button {
+  display: inline-block;
+  text-decoration: none;
+  padding: 8px 16px;
+  border-radius: 3px;
+
+  &,
+  &:visited {
+    background: $base-a;
+    color: white;
+  }
+
+  &:hover,
+  &:focus {
+    background: darken($base-a, 16%);
+    box-shadow: none;
+    color: white;
+  }
+}
diff --git a/_sass/2017/components/pages-list.scss b/_sass/2017/components/pages-list.scss
index 0fd6e45c4..cfdb9e83f 100644
--- a/_sass/2017/components/pages-list.scss
+++ b/_sass/2017/components/pages-list.scss
@@ -7,7 +7,10 @@
   }
 
   > .item {
-    padding: 4px 0;
+    flex: 0 0 100%;
+  }
+
+  > .item.article {
     flex: 0 0 50%;
   }
 
@@ -23,6 +26,7 @@
   text-decoration: none;
   display: block;
   white-space: nowrap;
+  padding: 4px 0;
 
   &,
   &:visited {
@@ -66,5 +70,4 @@
   padding: 0 0 16px 0;
   font-weight: normal;
   color: $base-b;
-  flex: 0 0 100%;
 }
diff --git a/_sass/2017/style.scss b/_sass/2017/style.scss
index 11cd06161..4afebbda0 100644
--- a/_sass/2017/style.scss
+++ b/_sass/2017/style.scss
@@ -19,6 +19,7 @@
 @import './components/h3-section-list';
 @import './components/headline-ad';
 @import './components/main-heading';
+@import './components/missing-message';
 @import './components/notice-box';
 @import './components/page-actions';
 @import './components/pages-list';
diff --git a/html-meta.md b/html-meta.md
index d608a524d..d15ffd24e 100644
--- a/html-meta.md
+++ b/html-meta.md
@@ -11,6 +11,8 @@ updated: 201708
 <meta charset='utf-8'>
 ```
 
+Title
+
 ```html
 <!-- title -->
 <title>···</title>