some improvements

Author: tigerxy

README.md

@@ -1,10 +1,9 @@
-## Installation
-
-Press `Ctrl+P` and type in `ext install Share Code`
+[![](http://vsmarketplacebadge.apphb.com/version/RolandGreim.sharecode.svg)](https://marketplace.visualstudio.com/items?itemName=RolandGreim.sharecode)
+[![](http://vsmarketplacebadge.apphb.com/installs/RolandGreim.sharecode.svg)](https://marketplace.visualstudio.com/items?itemName=RolandGreim.sharecode)
 
 ## Usage
 
-Press `Ctrl+Shift+P` and type in `Share Code`. Then you can select between Pastebin and GitHub Gist. *(anonymous)* means you haven't to login to share a file, but you can't edit or remove it later, when you choose this option.
+Press `Ctrl+Shift+P` and type in `Share Code`. Then you can select between Pastebin and GitHub Gist. *(anonymous)* means you don't have to login to share a file, but you can't edit or remove it later, when you choose this option.
 
 HowTo upload a file to Pastebin: