diff --git a/setup.py b/setup.py
index 85d040460..79cb18be0 100755
--- a/setup.py
+++ b/setup.py
@@ -61,7 +61,7 @@
 """.splitlines())))
 
 INSTALL_REQUIRES = ['pyparsing >= 2.0.1', 'pyperclip', 'six']
-# unitest.mock was added in Python 3.3.  mock is a backport of unittest.mock to all versions of Python
+# unittest.mock was added in Python 3.3.  mock is a backport of unittest.mock to all versions of Python
 TESTS_REQUIRE = ['mock', 'pytest']
 DOCS_REQUIRE = ['sphinx', 'sphinx_rtd_theme', 'pyparsing', 'pyperclip', 'six']