diff --git a/ghcup-0.0.6.yaml b/ghcup-0.0.6.yaml
index da927c7..4770a3e 100644
--- a/ghcup-0.0.6.yaml
+++ b/ghcup-0.0.6.yaml
@@ -130,6 +130,9 @@ toolRequirements:
           notes: On OS X, in the course of running ghcup you will be given a dialog
             box to install the command line tools. Accept and the requirements will
             be installed for you. You will then need to run the command again.
+
+            On Darwin M1 you might also need a working llvm installed (e.g. via brew)
+            and have the toolchain exposed in PATH.
       FreeBSD:
         unknown_versioning:
           distroPKGs:
diff --git a/ghcup-0.0.6.yaml.sig b/ghcup-0.0.6.yaml.sig
index e63fc1b..fa97090 100644
Binary files a/ghcup-0.0.6.yaml.sig and b/ghcup-0.0.6.yaml.sig differ