diff --git a/src/pathfinder/npf/aystar.cpp b/src/pathfinder/npf/aystar.cpp
--- a/src/pathfinder/npf/aystar.cpp
+++ b/src/pathfinder/npf/aystar.cpp
@@ -293,7 +293,7 @@ void init_AyStar(AyStar *aystar, Hash_Ha
 
 	/* Set up our sorting queue
 	 *  BinaryHeap allocates a block of 1024 nodes
-	 *  When thatone gets full it reserves an otherone, till this number
+	 *  When that one gets full it reserves another one, till this number
 	 *  That is why it can stay this high */
 	init_BinaryHeap(&aystar->OpenListQueue, 102400);