diff --git a/README.md b/README.md
index fce10b8..364115b 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,8 @@ want to use:
 - If you want to use the latest versions of each software, you can replace
     `http://snapshot.debian.org/archive/debian/20171007T213914Z/` in raspi3.yaml
     with `http://deb.debian.org/debian`. Of course, this means that the
-    build may break if there are regressions in the latest versions.
+    build may break or fail to boot if there are regressions in the latest
+    versions.
 
 Once you have edited raspi3.yaml, you can generate the image by
 issuing the following: