diff --git a/pages/tools.text.comparison.md b/pages/tools.text.comparison.md
index a664853..e45a4cf 100644
--- a/pages/tools.text.comparison.md
+++ b/pages/tools.text.comparison.md
@@ -6,6 +6,7 @@ compare
 - linux
 	-	kompare
 	-	https://www.tecmint.com/best-linux-file-diff-tools-comparison/
+	- https://linuxopsys.com/topics/linux-diff-tools
 - windows
 	- winmerge