diff --git a/documentation/content/en/books/handbook/firewalls/_index.adoc b/documentation/content/en/books/handbook/firewalls/_index.adoc
index ec3bc64543..578861e7d9 100644
--- a/documentation/content/en/books/handbook/firewalls/_index.adoc
+++ b/documentation/content/en/books/handbook/firewalls/_index.adoc
@@ -182,9 +182,8 @@ It also provides several examples for creating rulesets on a FreeBSD system.
 === Enabling PF
 
 To use PF, its kernel module must be first loaded.
-This section describes the entries that can be added to [.filename]#/etc/rc.conf# to enable PF.
+This section describes the entries that can be added to enable PF using https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc]:
 
-Start by adding `pf_enable=yes` to [.filename]#/etc/rc.conf#:
 
 [source,shell]
 ....
@@ -192,7 +191,7 @@ Start by adding `pf_enable=yes` to [.filename]#/etc/rc.conf#:
 ....
 
 Additional options, described in man:pfctl[8], can be passed to PF when it is started.
-Add or change this entry in [.filename]#/etc/rc.conf# and specify any required flags between the two quotes (`""`):
+Use https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc] to specify any required flags between the two quotes (`""`):
 
 [.programlisting]
 ....
@@ -202,7 +201,7 @@ pf_flags=""                     # additional flags for pfctl startup
 PF will not start if it cannot find its ruleset configuration file.
 By default, FreeBSD does not ship with a ruleset and there is no [.filename]#/etc/pf.conf#.
 Example rulesets can be found in [.filename]#/usr/share/examples/pf/#.
-If a custom ruleset has been saved somewhere else, add a line to [.filename]#/etc/rc.conf# which specifies the full path to the file:
+If a custom ruleset has been saved somewhere else, use https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc] to add a line to specify the full path to the file:
 
 [.programlisting]
 ....
@@ -210,7 +209,7 @@ pf_rules="/path/to/pf.conf"
 ....
 
 Logging support for PF is provided by man:pflog[4].
-To enable logging support, add `pflog_enable=yes` to [.filename]#/etc/rc.conf#:
+To enable logging support, add `pflog_enable=yes` with https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc]:
 
 [source,shell]
 ....
diff --git a/documentation/content/en/books/handbook/x11/_index.adoc b/documentation/content/en/books/handbook/x11/_index.adoc
index 9aa05ef7a9..2e120582a9 100644
--- a/documentation/content/en/books/handbook/x11/_index.adoc
+++ b/documentation/content/en/books/handbook/x11/_index.adoc
@@ -942,7 +942,7 @@ Refer to <<x11-wm-gnome>> for instructions on how to configure the GNOME Display
 === Configuring XDM
 
 To install XDM, use the package:x11/xdm[] package or port.
-Once installed, XDM can be configured to run when the machine boots up by using sysrc:
+Once installed, XDM can be configured to run when the machine boots up by using https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc]:
 
 [.programlisting]
 ....
@@ -1046,7 +1046,7 @@ proc           /proc       procfs  rw  0   0
 
 GNOME uses D-Bus for a message bus and hardware abstraction.
 These applications are automatically installed as dependencies of GNOME.
-Enable them with sysrc so they will be started when the system boots:
+Enable them with https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc] so they will be started when the system boots:
 
 [.programlisting]
 ....
@@ -1063,7 +1063,7 @@ sysrc gdm_enable="YES"
 ....
 
 It is often desirable to also start all GNOME services.
-To achieve this, use sysrc:
+To achieve this, use https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc]:
 
 [.programlisting]
 ....
@@ -1124,7 +1124,7 @@ proc           /proc       procfs  rw  0   0
 
 KDE uses D-Bus for a message bus and hardware abstraction.
 These applications are automatically installed as dependencies of KDE.
-Enable them with sysrc so they will be started when the system boots:
+Enable them with https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc] so they will be started when the system boots:
 
 [.programlisting]
 ....
@@ -1140,7 +1140,7 @@ To install it, type:
 # pkg install x11/sddm
 ....
 
-Use sysrc to enable:
+Use https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc] to enable:
 
 [.programlisting]
 ....
@@ -1191,7 +1191,7 @@ Alternatively, to build the port:
 
 Xfce uses D-Bus for a message bus.
 This application is automatically installed as dependency of Xfce.
-Enable it with sysrc so it will be started when the system boots:
+Enable it with https://www.freebsd.org/cgi/man.cgi?query=sysrc[sysrc] so it will be started when the system boots:
 
 [.programlisting]
 ....