diff --git a/examples/sshguard.conf.sample b/examples/sshguard.conf.sample
index 556f1ec..a483b1e 100644
--- a/examples/sshguard.conf.sample
+++ b/examples/sshguard.conf.sample
@@ -6,14 +6,18 @@
 
 #### REQUIRED CONFIGURATION ####
 # Full path to backend executable (required, no default)
-#BACKEND="/usr/local/libexec/sshg-fw-iptables"
+# Example 1: iptables backend
+#BACKEND="/usr/libexec/sshg-fw-iptables"
+# Example 2: firewalld backend; for firewalld configuration instructions see
+# https://www.ctrl.blog/entry/how-to-sshguard-firewalld.html#sshguard-section-firewalld
+#BACKEND="/usr/libexec/sshg-fw-firewalld"
 
 # Space-separated list of log files to monitor. (optional, no default)
 #FILES="/var/log/auth.log /var/log/authlog /var/log/maillog"
 
 # Shell command that provides logs on standard output. (optional, no default)
 # Example 1: ssh and sendmail from systemd journal:
-#LOGREADER="LANG=C /usr/bin/journalctl -afb -p info -n1 -t sshd -t sendmail -o cat"
+#LOGREADER="LANG=C /bin/journalctl -afb -p info -n1 -t sshd -t sendmail -o cat"
 # Example 2: ssh from os_log (macOS 10.12+)
 #LOGREADER="/usr/bin/log stream --style syslog --predicate '(processImagePath contains \"sshd\")'"