diff --git a/system/controllers/settings.php b/system/controllers/settings.php
index c442ebac..20dff3e3 100644
--- a/system/controllers/settings.php
+++ b/system/controllers/settings.php
@@ -37,6 +37,12 @@ switch ($action) {
                 $themes[] = $file;
             }
         }
+        $php = trim(shell_exec('which php'));
+        if(empty($php)){
+            $php = 'php';
+        }
+        $ui->assign('php', $php);
+        $ui->assign('dir', str_replace('controllers','', __DIR__));
         $ui->assign('themes', $themes);
         run_hook('view_app_settings'); #HOOK
         $ui->display('app-settings.tpl');
diff --git a/ui/ui/app-settings.tpl b/ui/ui/app-settings.tpl
index 4a2540e7..0bf9fe43 100644
--- a/ui/ui/app-settings.tpl
+++ b/ui/ui/app-settings.tpl
@@ -86,12 +86,12 @@
                     <div class="form-group">
                         <label class="col-md-2 control-label text-muted">Enable Radius</label>
                         <div class="col-md-6">
-                            <select name="radius_enable" id="radius_enable" class="form-control text-muted" onchange="alert('still not worked yet :)\nbut you can see any feature on development')">
+                            <select name="radius_enable" id="radius_enable" class="form-control text-muted">
                                 <option value="0">No</option>
                                 <option value="1" {if $_c['radius_enable']}selected="selected" {/if}>Yes</option>
                             </select>
                         </div>
-                        <p class="help-block col-md-4 text-red">Radius Not Yet Ready</p>
+                        <p class="help-block col-md-4"><a href="https://github.com/hotspotbilling/phpnuxbill/wiki/FreeRadius" target="_blank">Radius Instructions</a></p>
                     </div>
                     <div class="form-group">
                         <label class="col-md-2 control-label text-muted">Radius Client</label>
@@ -333,6 +333,18 @@
             <pre>/ip hotspot walled-garden
 add dst-host={$_domain}
 add dst-host=*.{$_domain}</pre>
+
+<pre>
+# Expired Cronjob Every 5 Minutes
+*/5 * * * * cd {$dir} && {$php} cron.php
+
+# Expired Cronjob Every 5 Minutes
+0 * * * * cd {$dir} && {$php} cron.php
+</pre>
+<pre>
+# Reminder Cronjob Every 7 AM
+0 7 * * * cd {$dir} && {$php} reminder.php
+</pre>
         </div>
     </div>
 </form>