update README

Author: micrum

README.md

@@ -73,13 +73,15 @@ It's the same for radios. Markup has to be the following:
 </form>
 ````
 
-Brand Colors
+Brand Colors and other features
 ------------
 
 You may use `checkbox-primary`, `checkbox-danger`, `radio-info`, etc to style checkboxes and radios with brand bootstrap colors.
 
 `checkbox-circle` is for rounded checkboxes.
 
+`checkbox-single` and `radio-single` for inputs without label text.
+
 Glyphicons way (Opt-out Font Awesome)
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