Update index.md

Signed-off-by: Justin Kenyon <kenyonj@github.com>

Author: kenyonj

topics/bugbounty/index.md

@@ -1,7 +1,7 @@
 ---
 aliases: bug-bounty
 display_name: Bug Bounty
-related: security,penetration-testing,pentesting,pentest
+related: security, penetration-testing, pentesting, pentest
 short_description: Deal by which individuals can receive recognition and compensation for reporting bugs.
 topic: bugbounty
 wikipedia_url: https://en.wikipedia.org/wiki/Bug_bounty_program