adding values

Author: SamSadfa

articles/azure-app-configuration/monitor-app-configuration-reference.md

@@ -39,7 +39,7 @@ App Configuration has the following dimensions associated with its metr
 | Http Incoming Request Duration | The supported dimensions are the **HttpStatusCode**, **AuthenticationScheme**, and **Endpoint** of each request. **AuthenticationScheme** can be filtered by "AAD" or "HMAC" authentication. |
 | Throttled Http Request Count | The **Endpoint** of each request is included as a dimension.  |
 | Daily Storage Usage | This metric does not have any dimensions.  |
-| Request Quota Usage | The supported dimensions are the **OperationType** (Read/Write) and **Endpoint** of each request.  |
+| Request Quota Usage | The supported dimensions are the **OperationType** ("Read"/"Write") and **Endpoint** of each request.  |
 | Replication Latency | The **Endpoint** of the replica that data was replicated to is included as a dimension.  |
 
  For more information on what metric dimensions are, see [Multi-dimensional metrics](../azure-monitor/essentials/data-platform-metrics.md#multi-dimensional-metrics).