diff --git a/README b/README
index 24be226..f86e6bf 100644
--- a/README
+++ b/README
@@ -218,7 +218,7 @@ vicious.widgets.wifi
   - provides wireless information for a requested interface
   - takes the network interface as an argument, i.e. "wlan0"
   - returns a table with string keys: {ssid}, {mode}, {chan}, {rate},
-    {link}, {linp} and {sign}
+    {link}, {linp} (link quality in percent) and {sign} (signal level)
 
 vicious.widgets.mbox
   - provides the subject of last e-mail in a mbox file