diff --git a/modules/radius/docs/radius.md b/modules/radius/docs/radius.md
index ae5e70d3afa29370e7592adad844d2f22cc3558c..cca9e1ab9c14d9555a0f33a9af9e92abedc18028 100644
--- a/modules/radius/docs/radius.md
+++ b/modules/radius/docs/radius.md
@@ -14,7 +14,7 @@ To use this module, enable the radius module by creating a file named
 authentication source which uses the `radius:Radius` module to
 `config/authsources.php`:
 
-    'example-radius' => array(
+    'example-radius' => [
         'radius:Radius',
 
         /*
@@ -24,12 +24,18 @@ authentication source which uses the `radius:Radius` module to
          *  - port: the port of the radius server. Optional, defaults to 1812.
          *  - secret: the radius secret to use with this server. Required.
          */
-        'servers' => array(array('hostname' => 'radius1.example.org',
-                                 'port' => 1812,
-                                 'secret' => 'topsecret'),
-                           array('hostname' => 'radius2.example.org',
-                                 'port' => 1812,
-                                 'secret' => 'topsecret')),
+        'servers' => [
+            [
+                'hostname' => 'radius1.example.org',
+                'port' => 1812,
+                'secret' => 'topsecret'
+            ],
+            [
+                'hostname' => 'radius2.example.org',
+                'port' => 1812,
+                'secret' => 'topsecret'
+            ]
+        ],
 
         /*
          * The timeout for contacting the RADIUS server, in seconds.
@@ -67,7 +73,7 @@ authentication source which uses the `radius:Radius` module to
          * Optional, defaults to NULL.
          */
         'username_attribute' => 'eduPersonPrincipalName',
-    ),
+    ],
 
 
 User attributes