README.md in matrix-0.3.0 vs README.md in matrix-0.3.1

@@ -1,6 +1,6 @@
-# Matrix [![Version](https://badge.fury.io/rb/matrix.svg)](https://badge.fury.io/rb/matrix) [![Default Gem](https://img.shields.io/badge/stdgem-default-9c1260.svg)](https://stdgems.org/matrix/)  [![Travis](https://travis-ci.com/ruby/matrix.svg)](https://travis-ci.com/ruby/matrix)
+# Matrix [![Version](https://badge.fury.io/rb/matrix.svg)](https://badge.fury.io/rb/matrix) [![Default Gem](https://img.shields.io/badge/stdgem-default-9c1260.svg)](https://stdgems.org/matrix/)  [![Test](https://github.com/ruby/matrix/workflows/test/badge.svg)](https://github.com/ruby/matrix/actions?query=workflow%3Atest)
 
 An implementation of `Matrix` and `Vector` classes.
 
 The `Matrix` class represents a mathematical matrix. It provides methods for creating matrices, operating on them arithmetically and algebraically, and determining their mathematical properties (trace, rank, inverse, determinant, eigensystem, etc.).
 
@@ -18,10 +18,10 @@
 
 And then execute:
 
     $ bundle
 
-To make sure the gem takes over the builtin library, be to call `bundle exec ...` (or to call `gem 'matrix' explicitly).
+To make sure that the gem takes precedence over the builtin library, call `bundle exec ...` (or call `gem 'matrix'` explicitly).
 
 ## Usage
 
 ```ruby
 require 'matrix'