reword and fix formatting

plugins/gitignore/README.md

 # gitignore
 
-This plugin enables you the use of gitignore.io from the command line. You need an active internet connection.
+This plugin enables you the use of [gitignore.io](https://www.gitignore.io/) from the command line. You need an active internet connection.
 
 To use it, add `gitignore` to the plugins array in your zshrc file:
 
@@ -9,6 +9,9 @@ plugins=(... gitignore)
 ```
 
 ## Plugin commands
-* `gi list` List displays a list of all of the currently support gitignore.io templates.
-* `gi [TEMPLATENAME]` Show output on the command line, e.g. `gi java` to exclude class and package files.
-* `gi [TEMPLATENAME] >> .gitignore` Appending programming language settings to your projects .gitignore.
+
+* `gi list`: List all the currently supported gitignore.io templates.
+
+* `gi [TEMPLATENAME]`: Show git-ignore output on the command line, e.g. `gi java` to exclude class and package files.
+
+* `gi [TEMPLATENAME] >> .gitignore`: Appending programming language settings to your projects .gitignore.