Update TROUBLESHOOTING.md
Missing an "a" in "verify the manged identity endpoint is available"
@@ -138,7 +138,7 @@ The `ManagedIdentityCredential` is designed to work on a variety of Azure hosts
#### __Verify IMDS is available on the VM__
-If you have access to the VM, you can verify the manged identity endpoint is available via the command line using curl.
+If you have access to the VM, you can verify the managed identity endpoint is available via the command line using curl.
```bash
curl 'http://169.254.169.254/metadata/identity/oauth2/token?resource=https://management.core.windows.net&api-version=2018-02-01' -H "Metadata: true"
