diff --git a/chapter07/usage.xml b/chapter07/usage.xml
index ef2d5ac3a..056102515 100644
--- a/chapter07/usage.xml
+++ b/chapter07/usage.xml
@@ -398,10 +398,11 @@ EOF
loadkeys program, typically, the name of keymap
to load, e.g., it
. If this variable is not set, the
bootscript will not run the loadkeys program,
- and the default kernel keymap will be used. Note that for the
- keymaps es and pt, the parent directory should also be specified
- (e.g. qwerty/es or query/pt) to ensure the proper keymap is
- loaded.
+ and the default kernel keymap will be used. Note that a few keymaps
+ have multiple versions with the same name (cz and its variants in
+ qwerty/ and qwertz/, es in olpc/ and qwerty/, and trf in fgGIod/ and
+ qwerty/). In these cases the parent directory should also be specified
+ (e.g. qwerty/es) to ensure the proper keymap is loaded.