diff --git a/share/man/man4/rtwn_usb.4 b/share/man/man4/rtwn_usb.4
index 0bd57699262c..1a9460d8c9c7 100644
--- a/share/man/man4/rtwn_usb.4
+++ b/share/man/man4/rtwn_usb.4
@@ -70,7 +70,7 @@ based USB wireless network adapters, including:
 .It "Buffalo WI-U2-433DHP" Ta RTL8821AU Ta USB 2.0
 .It "Buffalo WI-U2-433DM" Ta RTL8821AU Ta USB 2.0
 .It "Buffalo WI-U3-866D" Ta RTL8812AU Ta USB 3.0
-.It "D-Link DWA-121 (N150 Nano)" Ta RTL8188EU Ta USB 2.0
+.It "D-Link DWA-121 rev C1A (N150 Nano)" Ta RTL8188EU Ta USB 2.0
 .It "D-Link DWA-123 rev D1" Ta RTL8188EU Ta USB 2.0
 .It "D-Link DWA-125 rev D1" Ta RTL8188EU Ta USB 2.0
 .It "D-Link DWA-131" Ta RTL8192CU Ta USB 2.0