Fix formatting in demo README

Author: simeg

demo/README.md

@@ -13,20 +13,20 @@ npm start
 Run "deploy" from the demo directory:
 
 ```bash
-  cd ~/react-datetime/demo
-  npm run deploy
+cd ~/react-datetime/demo
+npm run deploy
 ```
 
 #### How to Run the demo with your local changes
 
 If you are working on some change and you want to use the demo to test them out, you have to link your local "react-datetime" directory to the demo:
 
 ```bash
-  cd ~/react-datetime
-  npm link
+cd ~/react-datetime
+npm link
 
-  cd demo
-  npm link react-datetime
+cd demo
+npm link react-datetime
 
-  npm start
+npm start
 ```