diff --git a/user/pkgs/ranger.nix b/user/pkgs/ranger.nix
index c10b2ccd..3228509b 100644
--- a/user/pkgs/ranger.nix
+++ b/user/pkgs/ranger.nix
@@ -13,6 +13,8 @@
           substituteInPlace ranger/config/rc.conf \
             --replace "set preview_images false" "set preview_images true"
 
+          # adds this patch: https://github.com/ranger/ranger/pull/1758
+          # fixes a bug for kitty users that use image previews
           substituteInPlace ranger/ext/img_display.py \
             --replace "self.image_id -= 1" "self.image_id = max(0, self.image_id - 1)"
         '';