Update validate-antimalware.md

Author: denisebmsft

defender-endpoint/validate-antimalware.md

@@ -55,27 +55,27 @@ You can run an antivirus detection test to verify that the device is properly on
 
 1. Ensure that real-time protection is enabled. Run the following command and confirm the output is `"true"`:
 
-    ```
-    mdatp health --field real_time_protection_enabled
-    ```
+   ```
+   mdatp health --field real_time_protection_enabled
+   ```
 
 2. Download the EICAR test file. Open a Terminal window and execute the appropriate command for your operating system:
 
    Linux:
 
-    ```
-    curl -o eicar.com.txt https://secure.eicar.org/eicar.com.txt
-    ```
+   ```
+   curl -o eicar.com.txt https://secure.eicar.org/eicar.com.txt
+   ```
 
    macOS:
 
-    ```
-    curl -o ~/Downloads/eicar.com.txt https://secure.eicar.org/eicar.com.txt
-    ```
+   ```
+   curl -o ~/Downloads/eicar.com.txt https://secure.eicar.org/eicar.com.txt
+   ```
 
 3. Verify that the file has been quarantined by Defender for Endpoint.** Run the following command to list all detected threats:
 
-    ```
-    mdatp threat list
-    ```
+   ```
+   mdatp threat list
+   ```