diff --git a/README.md b/README.md
index 8fb6c98..42c12e6 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,11 @@ enter will save the screenshot to disk and copy the image contents to the
 clipboard. My screenshots are saved to
 `~/Pictures/Screenshots/YYYY-MM/YYYYMMDDHHmmSS.png`.
 
+Spectacle also stores the path of the last saved image in config, so it's
+another one for skip-worktree:
+
+    git update-index --skip-worktree kde-spectacle/.config/spectaclerc
+
 [colors]: https://github.com/eritbh/kde-application-titlebar-themes
 [ksuperkey]: https://github.com/hanschen/ksuperkey
 [stow]: https://www.gnu.org/software/stow