diff --git a/colout/colout.py b/colout/colout.py
index 19dcf96..b2d833a 100755
--- a/colout/colout.py
+++ b/colout/colout.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 #encoding: utf-8
 
-# Color Up Arbitrary Command Ouput
+# Color Up Arbitrary Command Output
 # Licensed under the GPL version 3
 # 2012 (c) nojhan <nojhan@nojhan.net>
 
diff --git a/setup.py b/setup.py
index 2ad8b72..6af0562 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ requires = ['argparse', 'pygments', 'babel']
 setup(
     name='colout',
     version='0.1',
-    description='Color Up Arbitrary Command Ouput.',
+    description='Color Up Arbitrary Command Output.',
     long_description=open('README.md').read(),
     author='nojhan',
     author_email='nojhan@nojhan.net',