Update known-issues.md

Author: matt1883

articles/synapse-analytics/known-issues.md

@@ -98,7 +98,7 @@ Deleting a Synapse workspace fails with the error message:
 
 ### REST API PUT operations or ARM/Bicep templates to update network settings fail
 
-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.
+When using an ARM template, Bicep template, or direct REST API PUT 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 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.