diff --git a/sysctl.conf.5 b/sysctl.conf.5
index 0cb2078c..c51f8ffd 100644
--- a/sysctl.conf.5
+++ b/sysctl.conf.5
@@ -34,6 +34,8 @@ As the
 file is used to override default kernel parameter values, only a small number of parameters is predefined in the file.
 Use 
 .IR /sbin/sysctl\ \-a
+or follow 
+.BR sysctl (8) 
 to list all possible parameters. The description of individual parameters can be found in the kernel documentation.
 .SH EXAMPLE
 .RS