diff --git a/README.md b/README.md
index e88efb0..cc4eac7 100644
--- a/README.md
+++ b/README.md
@@ -180,3 +180,6 @@ PKGBUILD. Use the `makechrootpkg_noskipinteg.hook` to modify the
 `update.py` now does integrity checks before building with `makechrootpkg`. It
 is no longer necessary to modify the `/usr/bin/makechrootpkg` because the
 integrity checks are done separately.
+
+If the hook was used previously, remove it from `/etc/pacman.d/hooks` and
+reinstall devtools.