diff --git a/pages/common/colordiff.md b/pages/common/colordiff.md
index dae96d70f..cf5e3eb41 100644
--- a/pages/common/colordiff.md
+++ b/pages/common/colordiff.md
@@ -1,6 +1,6 @@
 # colordiff
 
-> A tool to colorize diff diff output.
+> A tool to colorize diff output.
 > The Perl script colordiff is a wrapper for `diff` and produces the same output but with pretty syntax highlighting. Colour schemes can be customized.
 > More information: <https://github.com/kimmel/colordiff>.