Minor corrections to README

README.md

 # Browser-Solidity
 
-Browser solidity is a browser based solidity compiler and IDE.
+Browser Solidity is a browser-based Solidity compiler and IDE.
 
-Visit [https://ethereum.github.io/browser-solidity](https://ethereum.github.io/browser-solidity) to use,
+Visit [https://ethereum.github.io/browser-solidity](https://ethereum.github.io/browser-solidity) to use;
 it will always deliver the latest version.
 
-# Offline Usage
+## Offline Usage
 
 Full offline usage is currently not supported because the compiler is always
-loaded via http. If you clone / download the repository, use the
+loaded via http. If you clone/download the repository, use the
 `gh-pages` branch (otherwise you still have to build the application).
 
-# Building
+## Building
 
 Many dependencies are only provided via npm:
 
-    npm install    # fetch dependencies
+	npm install    # fetch dependencies
 	npm run build  # build application into build/app.js
 
-Now point your browser to `index.html` to open the application.  
+Now point your browser to `index.html` to open the application.
 
 ## Usage as as Chrome Extension