🎨 Further clarify README

Author: steelbrain

README.md

@@ -1,7 +1,7 @@
 linter-lua
 ===========
 
-linter-lua package will lint your `.lua` opened files in Atom through luac or [luajit](http://luajit.org/running.html).  **It will lint on edit and/or save**, so you'll see instantly if your code has errors.
+linter-lua package will lint your `lua` in Atom through luac or [luajit](http://luajit.org/running.html).
 
 Due to the way that luac works it will only notify you of the first error found in the file.