Merge pull request #125288 from changeworld/patch-34

Fix typo

Author: v-dirichards

articles/vpn-gateway/vpn-gateway-troubleshoot-site-to-site-error-codes.md

@@ -55,7 +55,7 @@ Connectivity failure.
 
 ### Cause
 
-IKE /IPSec policy mismatch.
+IKE /IPsec policy mismatch.
 
 ### Solution