diff --git a/docs/index.rst b/docs/index.rst
index 4aa902ec9f25262d06c2ee64e4651351bddb7406..9f712fd462273d77427c0c1ff872029d570ca045 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -365,6 +365,10 @@ ramips-mt7620 [#80211s]_
 ramips-mt7621
 ^^^^^^^^^^^^^
 
+* ASUS
+
+  - RT-AC57U [#80211s]_
+
 * D-Link
 
   - DIR-860L (B1) [#80211s]_