diff --git a/man7/credentials.7 b/man7/credentials.7
index efd66c1be..9fb950957 100644
--- a/man7/credentials.7
+++ b/man7/credentials.7
@@ -309,6 +309,7 @@ for further details.
 .BR csh (1),
 .BR groups (1),
 .BR id (1),
+.BR newgrp (1),
 .BR ps (1),
 .BR sg (1),
 .BR su (1),