diff --git a/node.c b/node.c
index d41b330b5c..d025eccf62 100644
--- a/node.c
+++ b/node.c
@@ -760,7 +760,7 @@ dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
       case NODE_DEFN:
 	ANN("method definition");
 	ANN("format: def [nd_mid] [nd_defn]; end");
-	ANN("example; def foo; bar; end");
+	ANN("example: def foo; bar; end");
 	F_ID(nd_mid, "method name");
 	LAST_NODE;
 	F_NODE(nd_defn, "method definition");
@@ -769,7 +769,7 @@ dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
       case NODE_DEFS:
 	ANN("singleton method definition");
 	ANN("format: def [nd_recv].[nd_mid] [nd_defn]; end");
-	ANN("example; def obj.foo; bar; end");
+	ANN("example: def obj.foo; bar; end");
 	F_NODE(nd_recv, "receiver");
 	F_ID(nd_mid, "method name");
 	LAST_NODE;