X-Git-Url: http://nitlanguage.org

diff --git a/lib/a_star.nit b/lib/a_star.nit
index 32a5f8c..c6f6329 100644
--- a/lib/a_star.nit
+++ b/lib/a_star.nit
@@ -29,7 +29,7 @@
 # #  /     /
 # # c -3- d -8- e
 # #
-# var graph = new Graph[Node,WeigthedLink[Node]]
+# var graph = new Graph[Node,WeightedLink]
 #
 # var na = new Node(graph)
 # var nb = new Node(graph)
@@ -58,7 +58,7 @@ module a_star
 redef class Object
 	protected fun debug_a_star: Bool do return false
 	private fun debug(msg: String) do if debug_a_star then
-		stderr.write "a_star debug: {msg}\n"
+		sys.stderr.write "a_star debug: {msg}\n"
 	end
 end