README.md in usps_flags-grades-0.1.3 vs README.md in usps_flags-grades-0.1.5

@@ -4,10 +4,10 @@
 [![Build Status](https://travis-ci.org/jfiander/usps-flags_grades.svg)](https://travis-ci.org/jfiander/usps-flags_grades)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/760b824f0edac3316a11/test_coverage)](https://codeclimate.com/github/jfiander/usps-flags_grades/test_coverage)
 [![Maintainability](https://api.codeclimate.com/v1/badges/760b824f0edac3316a11/maintainability)](https://codeclimate.com/github/jfiander/usps-flags_grades/maintainability)
 
 An extension for [USPSFlags](https://github.com/jfiander/usps-flags) to generate
-regrade insignia.
+grade insignia.
 
 ## Usage
 
 ```ruby
 insignia = USPSFlags::Grades.new do |g|