Update Synapse known issue

Author: matt1883

articles/synapse-analytics/known-issues.md

@@ -96,11 +96,11 @@ Deleting a Synapse workspace fails with the error message:
 
 **Workaround**: The problem can be mitigated by retrying the delete operation. The engineering team is aware of this behavior and working on a fix.
 
-### Unsuccessful updates to network settings may reflect as successful 
+### REST API PUT operations or ARM/Bicep templates to update network settings fail
 
-When performing an operation to change the public network access settings and/or firewall rules for a Synapse workspace, the operation may fail, however the APIs and Portal UI for the workspace may return the newly set values.
+When using an ARM template, Bicep template, or direct PUT REST API operation to change the public network access settings and/or firewall rules for a Synapse workspace, the operation can fail.
 
-**Workaround**: The problem can be mitigated by retrying the operation and reverting the changes as needed. The engineering team is aware of this behavior and working on a fix.
+**Workaround**: The problem can be mitigated by using a REST API PATCH operation or the Azure Portal UI to reverse and retry the desired configuration changes. The engineering team is aware of this behavior and working on a fix.
 
 ## Recently Closed Known issues