Update blog title text

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

blog/index.html

@@ -10,7 +10,7 @@ <h1 class="title is-size-3 is-size-2-desktop has-text-grey-darker">
             The latest news
         </h1>
         <h1 class="title is-size-5 is-size-4-desktop has-text-grey-darker has-text-weight-light">
-            Hear the latest news on OpenFaaS from the community.
+            The latest news, tutorials, case-studies and announcements.
         </h1>
     </div>