diff --git a/doc/config.but b/doc/config.but
index 358153d3..0f21078e 100644
--- a/doc/config.but
+++ b/doc/config.but
@@ -538,7 +538,7 @@ help.
 (Typing \i{Shift-Backspace} will cause PuTTY to send whichever code
 isn't configured here as the default.)
 
-\S{config-homeend} Changing the action of the \I{Home and End keys}
+\S{config-homeend} Changing the action of the \i{Home and End keys}
 
 \cfg{winhelp-topic}{keyboard.homeend}