diff --git a/man7/random.7 b/man7/random.7
index 1b1d5835f..82179bf45 100644
--- a/man7/random.7
+++ b/man7/random.7
@@ -68,6 +68,10 @@ source; the
 source is selected by specifying the
 .BR GRND_RANDOM
 flag to the system call.
+(The
+.BR getentropy (3)
+function provides a slightly more portable interface on top of
+.BR getrandom (2).)
 .\"
 .SS Initialization of the entropy pool
 The kernel collects bits of entropy from the environment.