diff --git a/src/potion.c b/src/potion.c
index cdaf9c1d3..aeed5891e 100644
--- a/src/potion.c
+++ b/src/potion.c
@@ -1243,7 +1243,7 @@ const char *objphrase; /* "Your widget glows" or "Steed's saddle glows" */
     return res;
 }
 
-/* potion obj hits monster mon, which might be youmounst; obj always use up */
+/* potion obj hits monster mon, which might be youmonst; obj always use up */
 void
 potionhit(mon, obj, how)
 struct monst *mon;