diff --git a/modules/services/networking/wpa_supplicant.nix b/modules/services/networking/wpa_supplicant.nix
index fe4fecaf0baf..32d4e49557db 100644
--- a/modules/services/networking/wpa_supplicant.nix
+++ b/modules/services/networking/wpa_supplicant.nix
@@ -44,7 +44,9 @@ in
         example = [ "wlan0" "wlan1" ];
         description = ''
           The interfaces <command>wpa_supplicant</command> will use.  If empty, it will
-          automatically use all wireless interfaces.
+          automatically use all wireless interfaces. (Note that auto-detection is currently
+	  broken on Linux 3.4.x kernels. See http://github.com/NixOS/nixos/issues/10 for
+	  further details.)
         '';
       };