diff --git a/doc/Alerting/Old_Templates.md b/doc/Alerting/Old_Templates.md
index 3928e15e40..e4913d561a 100644
--- a/doc/Alerting/Old_Templates.md
+++ b/doc/Alerting/Old_Templates.md
@@ -208,7 +208,7 @@ Note: To use HTML emails you must set HTML email to Yes in the WebUI under Globa
 
 Note: To include Graphs you must enable unauthorized graphs in config.php. Allow_unauth_graphs_cidr is optional, but more secure.
 ```
-$config['allow_unauth_graphs_cidr'] = array(127.0.0.1/32');  
+$config['allow_unauth_graphs_cidr'] = array('127.0.0.1/32');  
 $config['allow_unauth_graphs'] = true;
 ```
 
diff --git a/doc/Alerting/Templates.md b/doc/Alerting/Templates.md
index f46e592602..2b5654a7fb 100644
--- a/doc/Alerting/Templates.md
+++ b/doc/Alerting/Templates.md
@@ -246,7 +246,7 @@ Note: To use HTML emails you must set HTML email to Yes in the WebUI under Globa
 
 Note: To include Graphs you must enable unauthorized graphs in config.php. Allow_unauth_graphs_cidr is optional, but more secure.
 ```
-$config['allow_unauth_graphs_cidr'] = array(127.0.0.1/32');  
+$config['allow_unauth_graphs_cidr'] = array('127.0.0.1/32');  
 $config['allow_unauth_graphs'] = true;
 ```
 
diff --git a/doc/Extensions/Authentication.md b/doc/Extensions/Authentication.md
index 5213410d2f..3820eaaa82 100644
--- a/doc/Extensions/Authentication.md
+++ b/doc/Extensions/Authentication.md
@@ -274,7 +274,7 @@ $config['auth_ldap_cache_ttl'] = 300;
 
 ## View/embedded graphs without being logged into LibreNMS
 ```php
-$config['allow_unauth_graphs_cidr'] = array(127.0.0.1/32');
+$config['allow_unauth_graphs_cidr'] = array('127.0.0.1/32');
 $config['allow_unauth_graphs'] = true;
 ```