diff --git a/templates/hostapd.php b/templates/hostapd.php
index f6869048..77831d5d 100755
--- a/templates/hostapd.php
+++ b/templates/hostapd.php
@@ -174,7 +174,7 @@
               <div class="form-group col-md-6">
                 <label for="max_num_sta"><?php echo _("Maximum number of clients") ?></label>
                 <input type="text" id="max_num_sta" class="form-control" name="max_num_sta" placeholder="2007" value="<?php echo $arrConfig["max_num_sta"] ?>" aria-describedby="max_num_sta_help">
-                <span id="max_num_sta_help" class="help-block"><?php echo _("Configures the max_num_sta option of hostapd. The default and maximum is 2007. If empty or 0, the default applies.") ?></span>
+                <small id="max_num_sta_help" class="text-muted"><?php echo _("Configures the max_num_sta option of hostapd. The default and maximum is 2007. If empty or 0, the default applies.") ?></small>
               </div>
             </div>
             <div class="row">