diff --git a/config/locales/en.yml b/config/locales/en.yml
index 132a2ee..4fb1f73 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -694,6 +694,7 @@ en:
   label_statistics: Statistics
   label_commits_per_month: Commits per month
   label_commits_per_author: Commits per author
+  label_diff: diff
   label_view_diff: View differences
   label_diff_inline: inline
   label_diff_side_by_side: side by side