Update enhancements/monitoring/integration-with-topology-modes.md
Address latest Ben's comment
@@ -163,8 +163,12 @@ If CMO reads a value from the `infrastructures.config.openshift.io/cluster`
resource that is neither equal to `HighAvailable` nor `SingleReplica`, it
considers that the topology is `HighAvailable`.
-If CMO gets any error while reading the resource, it errors out and retries
-with a delay (as for any failure to synchronize the operands).
+If CMO gets any error while reading the resource:
+* If it has never been able to read the resource/see a topology config (due to
+ error or missing value) it defaults to `HighAvailable`.
+* If it has previously determined the topology, but now can't read the topology
+ (i.e. during a resync/relist), it remains on whatever topology it last was
+ able to determine.
## Implementation History
