--- Libc/Libc-391.4.1/gen/getusershell.3
+++ Libc/Libc-262.3.2/gen/getusershell.3
@@ -86,6 +86,7 @@
 returns a null pointer (0) on
 .Dv EOF .
 .Sh SEE ALSO
+.Xr nsswitch.conf 5 ,
 .Xr shells 5
 .Sh HISTORY
 The