Add instructions for sending PR for icon keyword addition/removal suggestions.

Contrib information is now also always visible when searching.

CONTRIBUTING.md

@@ -18,7 +18,16 @@ New icons mostly start as requests by the [Font Awesome community on GitHub](../
   - Attach a single color image or two that represent the idea you're going for.
   - Request concrete objects: it's harder to make an icon to represent happiness, it's easier to make a smiley face. ☺
 
+## Suggesting icon keyword addition/removal
 
+Icon filters are maintained by the [Font Awesome community on GitHub](../../pulls?q=is%3Apr+label%3Adoc).
+
+If you feel that an icon
+
+* is missing keyword(s)
+* contains invalid keyword(s)
+
+please send a [PR](https://help.github.com/articles/using-pull-requests/) to the `master` branch.
 
 ## Reporting issues
 

src/_includes/icons/filter.html

@@ -24,7 +24,7 @@
   </div>
   <div id="no-search-results">
     <div class="alert alert-warning" role="alert"><i class="fa fa-warning margin-right-sm"></i>No icons matching <strong>'<span></span>'</strong> were found.</div>
-    <div class="alert alert-info" role="alert"><i class="fa fa-exclamation-circle margin-right-sm"></i>Tags are added by the community. Do you think your search query should return an icon? Send a pull request on <a href="https://github.com/FortAwesome/Font-Awesome">GitHub</a>!</div>
   </div>
+  <div class="alert alert-info" role="alert"><i class="fa fa-exclamation-circle margin-right-sm"></i>Tags are added by the community. Do you think your search query should return an icon? Send a pull request on <a href="https://github.com/FortAwesome/Font-Awesome/blob/master/CONTRIBUTING.md#suggesting-icon-keyword-additionremoval">GitHub</a>!</div>
 
 </section>