update

Author: zhiyuanliang-ms

articles/azure-app-configuration/quickstart-feature-flag-python.md

@@ -89,7 +89,7 @@ When starting the application, a browser window will open to authenticate the us
     If you use Windows PowerShell, run the following command:
 
     ```azurepowershell
-    $Env:APP_CONFIGURATION_ENDPOINT = <endpoint-of-your-app-configuration-store>
+    $Env:APP_CONFIGURATION_ENDPOINT = "<endpoint-of-your-app-configuration-store>"
     ```
 
     ### [macOS](#tab/unix)

articles/azure-app-configuration/quickstart-feature-flag-spring-boot.md

@@ -142,7 +142,7 @@ To create a new Spring Boot project:
     If you use PowerShell, run the following command:
 
     ```powershell
-    $Env:APP_CONFIGURATION_ENDPOINT = <endpoint-of-your-app-configuration-store>
+    $Env:APP_CONFIGURATION_ENDPOINT = "<endpoint-of-your-app-configuration-store>"
     ```
 
     If you use macOS or Linux, run the following command:
@@ -157,13 +157,13 @@ To create a new Spring Boot project:
     If you use the Windows command prompt, run the following command and restart the command prompt to allow the change to take effect:
 
     ```cmd
-    setx APP_CONFIGURATION_CONNECTION_STRING <connection-string-of-your-app-configuration-store>
+    setx APP_CONFIGURATION_CONNECTION_STRING "<connection-string-of-your-app-configuration-store>"
     ```
 
    If you use PowerShell, run the following command:
 
     ```powershell
-    $Env:APP_CONFIGURATION_CONNECTION_STRING = <connection-string-of-your-app-configuration-store>
+    $Env:APP_CONFIGURATION_CONNECTION_STRING = "<connection-string-of-your-app-configuration-store>"
     ```
 
     If you use macOS or Linux, run the following command:

articles/azure-app-configuration/quickstart-java-spring-app.md

@@ -173,7 +173,7 @@ To use the Spring Cloud Azure Config starter to have your application communicat
    If you use Windows PowerShell, run the following command:
 
    ```azurepowershell
-   $Env:APP_CONFIGURATION_ENDPOINT = <endpoint-of-your-app-configuration-store>
+   $Env:APP_CONFIGURATION_ENDPOINT = "<endpoint-of-your-app-configuration-store>"
    ```
 
    If you use macOS or Linux, run the following command: