Update learn/security.md

Co-authored-by: Erin Shaben <eshaben@icloud.com>

Author: ilariae

learn/security.md

@@ -99,7 +99,7 @@ Wormhole has had audits performed by the following firms, and continues to seek
 
 ## Bug Bounties
 
-Wormhole has one of the largest bug bounty programs in software development, and has repeatedly shown commitment to engaging with the white hat community.
+Wormhole has one of the largest bug bounty programs in software development and has repeatedly shown commitment to engaging with the white hat community.
 
 Wormhole hosts two bug bounty programs: