Update README.md

Author: aofdev

README.md

@@ -1,6 +1,6 @@
 # vue speech streaming
 
-> A Vue Performing Streaming Speech Recognition with Google Cloud Speech on Progressive Web App
+> A Vue2 Performing Streaming Speech Recognition with Google Cloud Speech on Progressive Web App
 
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   <img src ="https://i.imgur.com/HD07Rj9.gif" />