Update content/operate/rs/databases/active-active/develop/app-failover-active-active.md

Co-authored-by: Rachel Elledge <[email protected]>

Author: mich-elle-luna

content/operate/rs/databases/active-active/develop/app-failover-active-active.md

@@ -161,7 +161,7 @@ def get_channels_per_shard(redis_client):
 
 Asymmetric configurations require monitoring every hash slot intersection, which is complex and error-prone.
 
-## Implementing failover
+## Implement failover
 
 When you detect a local replica failure: