diff --git a/share/man/man7/build.7 b/share/man/man7/build.7
index 9171813a0e06..334a0e2190d1 100644
--- a/share/man/man7/build.7
+++ b/share/man/man7/build.7
@@ -146,6 +146,7 @@ method of updating your system from the latest sources is:
 make buildworld
 make buildkernel KERNCONF=FOO
 make installkernel KERNCONF=FOO
+<Reboot in single user mode>
 make installworld
 mergemaster
 .Ed