diff --git a/Examples-(fish).md b/Examples-(fish).md
index 12f5342..d672ad0 100644
--- a/Examples-(fish).md
+++ b/Examples-(fish).md
@@ -11,6 +11,8 @@ function fzf-bcd-widget -d 'cd backwards'
 end
 ```
 
+On macOS `tac` isn't available by default but you can use `tail -r` instead of `tac` for the same functionality.
+
 ```fish
 function fzf-cdhist-widget -d 'cd to one of the previously visited locations'
 	# Clear non-existent folders from cdhist.