diff --git a/share/man/man9/BUS_BIND_INTR.9 b/share/man/man9/BUS_BIND_INTR.9
index 93f0c1600f0e..2e22dea9ae10 100644
--- a/share/man/man9/BUS_BIND_INTR.9
+++ b/share/man/man9/BUS_BIND_INTR.9
@@ -83,6 +83,8 @@ by userland via
 and
 .Fn BUS_BIND_INTR .
 The most recent binding request is the one that will be in effect.
+.Sh RETURN VALUES
+Zero is returned on success, otherwise an appropriate error is returned.
 .Sh SEE ALSO
 .Xr BUS_SETUP_INTR 9 ,
 .Xr cpuset 2 ,