diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index 9b52fb5cd..ab337531f 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -4794,7 +4794,7 @@ Percentages for ``{\it hitpoints\/}'' and ``{\it power\/}'' are
 straightforward; they're based on the corresponding maximum field.
 Percentage highlight rules are also allowed for ``{\it experience level\/}''
 and ``{\it experience points\/}'' (valid when the
-(\it showexp\/}
+{\it showexp\/}
 option is enabled).
 For those, the percentage is based on the progress from the start of
 the current experience level to the start of the next level.