diff --git a/Documentation/README.html b/Documentation/README.html
index 031c5d39dfd..98617020a00 100644
--- a/Documentation/README.html
+++ b/Documentation/README.html
@@ -194,6 +194,8 @@
| | | `- README.txt
| | |- samd20-xplained/
| | | `- README.txt
+ | | |- saml21-xplained/
+ | | | `- README.txt
| | |- sam3u-ek/
| | | `- README.txt
| | |- sam4e-ek/