diff --git a/mocha.gemspec b/mocha.gemspec
index 2e1de7a9..08e1e949 100644
--- a/mocha.gemspec
+++ b/mocha.gemspec
@@ -2,6 +2,11 @@ lib = File.expand_path('../lib/', __FILE__)
 $LOAD_PATH.unshift lib unless $LOAD_PATH.include?(lib)
 require 'mocha/version'
 
+DESCRIPTION =
+  'A library for mocking and stubbing with a unified, simple and readable syntax ' \
+  'for both full & partial mocking. Built-in support for Minitest and Test::Unit. ' \
+  'Supported by many other test frameworks, e.g. RSpec.'.freeze
+
 Gem::Specification.new do |s|
   s.name = 'mocha'
   s.version = Mocha::VERSION
@@ -9,7 +14,7 @@ Gem::Specification.new do |s|
   s.required_ruby_version = '>= 2.2'
 
   s.authors = ['James Mead']
-  s.description = 'Mocking and stubbing library with JMock/SchMock syntax, which allows mocking and stubbing of methods on real (non-mock) classes.'
+  s.description = DESCRIPTION
   s.email = 'mocha-developer@googlegroups.com'
 
   s.files = Dir.chdir(File.expand_path('..', __FILE__)) do