diff --git a/doc/Guidebook.mn b/doc/Guidebook.mn
index 04c6dc040..bab1e63f1 100644
--- a/doc/Guidebook.mn
+++ b/doc/Guidebook.mn
@@ -4945,7 +4945,7 @@ and in days past, devnull.net (gone for now, but not forgotten).
 .pg
 From time to time, some depraved individual out there in netland sends a
 particularly intriguing modification to help out with the game.  The NetHack
-Develpment Team sometimes makes note of the names of the worst of these
+Development Team sometimes makes note of the names of the worst of these
 miscreants in this, the list of Dungeoneers:
 .
 .TS S