Apply suggestion from @ahpook

Why didn't it show this on earlier test runs...

Author: ahpook

topics/adventure-game-interpreter/index.md

@@ -1,7 +1,7 @@
 ---
 display_name: Adventure Game Interpreter 
 short_description: Adventure Game Interpreter is a game engine developed by Ken Williams and Jeff Stephenson in 1984.
-topic: Adventure Game Interpreter
+topic: adventure-game-interpreter
 ---
 Adventure Game Interpreter is a game engine developed by Ken Williams
 Jeff Stephenson in 1984 designed to run in personal computers.