Update articles/ai-services/speech-service/role-based-access-control.md

Author: eric-urban

articles/ai-services/speech-service/role-based-access-control.md

@@ -78,7 +78,7 @@ Now you can use the `accessToken` to authenticate with the AI Services resource.
 ```bash
 audio_file=@'Call1_separated_16k_health_insurance.wav'
 
-uri=https://$AIServicesResourceName.cognitiveservices.azure.com/speechtotext/transcriptions:transcribe?api-version=2024-11-15
+uri="https://$AIServicesResourceName.cognitiveservices.azure.com/speechtotext/transcriptions:transcribe?api-version=2024-11-15"
 
 curl -v "$uri" \
     --header 'Content-Type: multipart/form-data' \