diff --git a/source/blue/index.html b/source/blue/index.html
index 0419884d72e..8a741f05aee 100644
--- a/source/blue/index.html
+++ b/source/blue/index.html
@@ -358,7 +358,7 @@ frontpage_image: /images/frontpage/blue-frontpage.jpg
         <div class="spec-content">
           No Wi-Fi or Bluetooth
           <div class="spec-content-additional">
-            Support for Z-Wave and Zigbee by external USB adaptor
+            Support for Z-Wave and Zigbee by external USB adapter
             (not&nbsp;included)
           </div>
         </div>