chore: Update README.md (#1806)

ellie-ys · web-flow · commit a1026d64c7ff · 2022-05-19T10:17:33.000-04:00
diff --git a/README.md b/README.md
@@ -80,7 +80,7 @@ dependencies.
 ### Mac/Linux
 
 ```
-pip install virtualenv
+pip3 install virtualenv
 virtualenv <your-env>
 source <your-env>/bin/activate
 <your-env>/bin/pip install google-api-python-client
