update placholder message location

Author: craigshoemaker

articles/container-apps/scale-app.md

@@ -430,6 +430,8 @@ KEDA scalers can use secrets in a [TriggerAuthentication](https://keda.sh/docs/l
 
 Container Apps scale rules can use managed identity to authenticate with Azure services. The following Bicep template passes in system-based managed identity to authenticate for an Azure Queue scaler.
 
+Before using the following code, replace the placeholders surrounded by `<>` with your values.
+
 ```bicep
 scale: {
   minReplicas: 0
@@ -451,8 +453,6 @@ scale: {
 }
 ```
 
-Replace the `<PLACEHOLDERS`> with your values.
-
 To learn more about using managed identity with scale rules, see [Managed identity](managed-identity.md#scale-rules).
 
 ::: zone-end
@@ -561,6 +561,8 @@ KEDA scalers can use secrets in a [TriggerAuthentication](https://keda.sh/docs/l
 
 Container Apps scale rules can use managed identity to authenticate with Azure services. The following ARM template passes in system-based managed identity to authenticate for an Azure Queue scaler.
 
+Before using the following code, replace the placeholders surrounded by `<>` with your values.
+
 ```json
 "scale": {
   "minReplicas": 0,
@@ -582,8 +584,6 @@ Container Apps scale rules can use managed identity to authenticate with Azure s
 }
 ```
 
-Replace the `<PLACEHOLDERS`> with your values.
-
 To learn more about using managed identity with scale rules, see [Managed identity](managed-identity.md#scale-rules).
 
 ::: zone-end
@@ -636,6 +636,8 @@ A KEDA scaler supports secrets in a [TriggerAuthentication](https://keda.sh/docs
 
 Container Apps scale rules can use managed identity to authenticate with Azure services. The following command creates a container app with a user-assigned managed identity and uses it to authenticate for an Azure Queue scaler.
 
+Before using the following code, replace the placeholders surrounded by `<>` with your values.
+
 ```bash
 az containerapp create \
   --resource-group <RESOURCE_GROUP> \
@@ -648,8 +650,6 @@ az containerapp create \
   --scale-rule-identity <USER_ASSIGNED_IDENTITY_ID>
 ```
 
-Replace the `<PLACEHOLDERS`> with your values.
-
 ::: zone-end
 
 ::: zone pivot="azure-portal"