Update other Bootstrap 4 blog post link; erratum from twbs#18913

cvrebert · cvrebert · commit fe47bb202c8b · 2016-02-07T15:20:38.000-08:00
[skip sauce]
diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
@@ -6,7 +6,7 @@
   </head>
   <body>
     <a id="skippy" class="sr-only sr-only-focusable" href="#content"><div class="container"><span class="skiplink-text">Skip to main content</span></div></a>
-    <a href="http://blog.getbootstrap.com/2015/08/19/bootstrap-4-alpha/" class="v4-tease">Aww yeah, Bootstrap 4 is coming!</a>
+    <a href="http://blog.getbootstrap.com/2015/12/08/bootstrap-4-alpha-2/" class="v4-tease">Aww yeah, Bootstrap 4 is coming!</a>
 
     <!-- Docs master nav -->
     {% include nav/main.html %}
