diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index 4a3a530ef..cad1d9819 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -563,7 +563,7 @@ A gem or rock (possibly valuable, possibly worthless).
 A boulder or statue or an engraving on the floor of a room.\\
 %.lp ""
 Note: statues are displayed as if they were the monsters they depict
-so won't appear as a {\it grave accent\/} (aka {\it back-tick}.
+so won't appear as a {\it grave accent\/} (aka {\it back-tick}).
 \item[\tb{0}]
 An iron ball.
 \item[\tb{\verb+_+}]