Fixing pattern match

Author: trrwilson

articles/zone-pivot-groups.yml

@@ -163,7 +163,9 @@ groups:
   - id: programming-language-python
     title: Python
   id: programming-languages-set-twelve
+  title: Programming languages
   prompt: Choose a programming language
+  pivots:
   - id: programming-language-csharp
     title: C#
   - id: programming-language java