docs(readme): copy clarification

Author: olets

README.md

@@ -60,6 +60,6 @@ Git Prompt Kit uses Roman Perepelitsa's [gitstatus](https://github.com/romkatv/g
 
 Showing "dimmed" components was inspired by Arialdo Martini's [oh-my-git](https://github.com/arialdomartini/oh-my-git), which leaves space for inactive symbols.
 
-Using Git status's short format was inspired by Michael Allen's [git-radar](https://github.com/michaeldfallen/git-radar).
+The default symbol set's using `git status`'s short format was inspired by Michael Allen's [git-radar](https://github.com/michaeldfallen/git-radar).
 
 Splash card font is Beon by [Bastien Sozeau](http://sozoo.fr/).