Update 16.04.21a.md

Author: chrisjsewell

docs/releases/versions/16.04.21a.md

@@ -6,7 +6,7 @@ category: Full
 tags: desktop,docker,alpha-release,aiida-core-1.5
 ---
 
-# Quantum Mobile (16.04.21a)
+# v16.04.21a
 
 A Virtual Machine for Computational Materials Science