diff --git a/man4/random.4 b/man4/random.4
index bf9a8ce90..98a0e5c3d 100644
--- a/man4/random.4
+++ b/man4/random.4
@@ -55,6 +55,8 @@ but can incur an appreciable delay when requesting large amounts of data.
 When read during early boot time,
 .IR /dev/random
 may return data prior to the entropy pool being initialized.
+.\" This is a real problem; see
+.\" commit 9b4d008787f864f17d008c9c15bbe8a0f7e2fc24
 If this is of concern in your application, use
 .BR getrandom (2)
 or \fI/dev/random\fP instead.