added message in readme

Author: ORESoftware

README.md

@@ -6,4 +6,4 @@
 run any of the index.sh files, and you will see how NODE_PATH incorporates the node_modules folder from the
 parent directory.
 
-*You must run npm install to create the node_modules directory in the root of the project*
+*You must run `npm install` to create the node_modules directory in the root of the project*