diff --git a/asdf.texinfo b/asdf.texinfo
index 1306dc905e6b0096881c232b3dbcb9661aa105bc..ecf7fe987a1f2bdf159e8040f3f0000e64aa5d51 100644
--- a/asdf.texinfo
+++ b/asdf.texinfo
@@ -166,7 +166,12 @@ function:
 Consult your Lisp implementation's documentation for details. If ASDF
 doesn't come bundled with your Lisp or if you want to make
 sure that you have the most recent version, then you'll want
-to download it from the @url{http://common-lisp.net/project/asdf/,asdf-home} website.
+to download it from the
+@url{http://common-lisp.net/project/asdf/,asdf-home} website.
+
+Note to SBCL users:  you are cautioned that installing ASDF yourself may
+break some SBCL contribs.  We are working to provide instructions for
+doing this safely.
 
 @section Loading ASDF