Fix grammatical error in index.mdx (#881)

Author: derek-feriancek-sg

docs/code-search/index.mdx

@@ -10,7 +10,7 @@
 
 Sourcegraph's Code Search empowers you to:
 
-- Utilize regular expressions, boolean operations, and keyboard shortcuts helps you unleash the full potential of your searches
+- Utilize regular expressions, boolean operations, and keyboard shortcuts to help you unleash the full potential of your searches
 - With the symbol, commit, and diff search capabilities, it identifies code vulnerabilities in milliseconds and quickly helps you resolve issues and incidents
 - Offers innovative code view with seamless code navigation for a comprehensive coding experience