diff --git a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
index 8292d632db..60adc1ae23 100644
--- a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
@@ -1654,7 +1654,10 @@ ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
The weptxkey means which WEP
key will be used in the transmission. Here we used the
third key. This must match the setting in the access
- point.
+ point. If you do not have any idea of what is the key
+ used by the access point, you should try to use
+ 1 (i.e., the first key) for this
+ value.