chore: format shell

src/content/docs/apm/agents/java-agent/troubleshooting/host-links-missing-java-apps-apm-summary.mdx

@@ -66,7 +66,7 @@ Configure the hostname settings so that the New Relic infrastructure agent in a
        ```
     3. Use the command line to set the current hostname, so the changes take effect without restarting the server:
 
-       ```
+       ```shell
        sudo hostname myhost.example.com
        ```
     4. Restart the Java agent and infrastructure agent to register the new hostname.
@@ -80,7 +80,7 @@ Configure the hostname settings so that the New Relic infrastructure agent in a
 
     This example script configures all hostname settings. Depending on your Linux distribution, the `echo` command to `/etc/sysconfig/network` may not be required.
 
-    ```
+    ```shell
     #!/bin/sh
 
     # Set the hostname so the infrastructure agent