Fix minor formatting error, test Git still works

Author: Jiaxin Fan

tests/src/test/standalone/README.md

@@ -59,7 +59,8 @@ curl -H "Content-Type:application/json" -X POST --data '@openwhisk-runtime-nodej
 ```
 being the expected response.
 
-As mentioned above, if `port 80` on `localhost` was used, the command could simply be ```
+As mentioned above, if `port 80` on `localhost` was used, the command could simply be
+```
 curl -H "Content-Type:application/json" -X POST --data '@openwhisk-runtime-nodejs/tests/src/test/standalone/helloworld/helloworld.json' http://localhost/init
 ```