diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index a1eb4abf2..4a3a530ef 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -525,7 +525,7 @@ open drawbridge.
 A corridor, or iron bars, or a tree, or the portcullis of a closed
 drawbridge.\\
 %.lp ""
-Note: engravings in corridors also appear as \f(CR#\fP but are shown in
+Note: engravings in corridors also appear as \# but are shown in
 a different color from normal corridor locations.
 \item[\tb{>}]
 Stairs down: a way to the next level.