Update articles/container-apps/rule-based-routing.md

Author: craigshoemaker

articles/container-apps/rule-based-routing.md

@@ -76,16 +76,16 @@ In this article, you learn how to use rule-based routing with Azure Container Ap
 Create the following environment variables.
 
 ```bash
-$CONTAINER_APP_1_NAME="my-container-app-1"
-$CONTAINER_APP_1_IMAGE="mcr.microsoft.com/k8se/quickstart:latest"
-$CONTAINER_APP_1_TARGET_PORT="80"
-$CONTAINER_APP_2_NAME="my-container-app-2"
-$CONTAINER_APP_2_IMAGE="mcr.microsoft.com/dotnet/samples:aspnetapp"
-$CONTAINER_APP_2_TARGET_PORT="8080"
-$LOCATION="eastus"
-$RESOURCE_GROUP="my-container-apps"
-$ENVIRONMENT_NAME="my-container-apps-env"
-$ROUTE_CONFIG_NAME="my-route-config"
+CONTAINER_APP_1_NAME="my-container-app-1"
+CONTAINER_APP_1_IMAGE="mcr.microsoft.com/k8se/quickstart:latest"
+CONTAINER_APP_1_TARGET_PORT="80"
+CONTAINER_APP_2_NAME="my-container-app-2"
+CONTAINER_APP_2_IMAGE="mcr.microsoft.com/dotnet/samples:aspnetapp"
+CONTAINER_APP_2_TARGET_PORT="8080"
+LOCATION="eastus"
+RESOURCE_GROUP="my-container-apps"
+ENVIRONMENT_NAME="my-container-apps-env"
+ROUTE_CONFIG_NAME="my-route-config"
 ```
 
 ## Create container apps