Update Readme

README.md

@@ -19,7 +19,9 @@ It can execute any script you want on your server: deployment, testing, etc.
 * **For GitHub**: Set your post-receive hook as described [here](https://help.github.com/articles/post-receive-hooks) with the url `http://yourserver.com:61440/github`
 * **For Bitbucket**:  Set your post-receive hook as described [here](https://confluence.atlassian.com/display/BITBUCKET/POST+hook+management) with the url `http://yourserver.com:61440/bitbucket`
 * **For Contentful**: Set your webhook in your Settings > Webhooks with the url `http://yourserver.com:61440/contentful`
+* Add execution permission on scripts
+	`chmod +x bitbucket.sh contentful.sh github.sh`
 * Run the app
-	`WWW_PORT=61440 node index.js`
+	`WWW_PORT=61440 node src/index.js`
 
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