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

@@ -96,7 +96,7 @@ The most reliable way to detect replication failures is using Redis pub/sub.
        client.subscribe(f'health-check-{name}')
    ```
 
-3. **Publish heartbeat messages**:
+3. Publish heartbeat messages:
    ```python
    # Example implementation - adapt for your environment
    import time