Merge pull request #186 from Macmee/patch-1

[speech-to-text] Update example v1

Author: germanattanasio

examples/speech_to_text.v1.js

@@ -11,7 +11,7 @@ var speech_to_text = watson.speech_to_text({
 });
 
 var params = {
-  content_type: 'audio/wav',
+  content_type: 'audio/wav'
 };
 
 // create the stream