Update 06_yum_priorities.md

Author: tsmgeek

examples/06_yum_priorities.md

@@ -4,12 +4,11 @@ There may arise [situations](http://blog.gluster.org/2014/11/installing-glusterf
 
 If you use Hiera data:
 ```
-    ---
-    gluster::client: false
-    gluster::pool: production
-    gluster::repo: true
-    gluster::repo::yum::priority: 50
-    gluster::version: '7.9-1.el7'
+gluster::client: false
+gluster::pool: production
+gluster::repo: true
+gluster::repo::yum::priority: 50
+gluster::version: '7.9-1.el7'
 ```    
 
 This ensures that dependency resolution is confined to the repository and revision you specified, and prevents Yum from helpfully trying to use the latest version available.