diff --git a/includes/definitions.inc.php b/includes/definitions.inc.php
index 86baf3acd3..54f8926936 100644
--- a/includes/definitions.inc.php
+++ b/includes/definitions.inc.php
@@ -784,7 +784,7 @@ $config['os'][$os]['over'][2]['graph'] = 'device_mempool';
 $config['os'][$os]['over'][2]['text']  = 'Memory Usage';
 
 $os = 'adtran-aos';
-$config['os'][$os]['text']             = 'ADTRAN AOS';
+$config['os'][$os]['text']             = 'Adtran AOS';
 $config['os'][$os]['type']             = 'network';
 $config['os'][$os]['icon']             = 'adtran';
 $config['os'][$os]['over'][0]['graph'] = 'device_bits';