diff --git a/README.md b/README.md
index cb1cad63945c9e71f46dc0fadcbcc8aee13bc9d7..1c71c057b52155b6a0bd10b7af569345e6fc5e58 100644
--- a/README.md
+++ b/README.md
@@ -578,9 +578,9 @@ TinySTL
 	assert(cp1 == cp2 && cp2 == cp3);
 	assert(*cp1 == *cp2 && *cp2 == *cp3 && *cp3 == "zouxiaohang");
 
-	cp2->append(" C++");//write
+	*cp2 = ("C++");//write
 	assert(*cp1 == *cp3 && *cp3 == "zouxiaohang");
-	assert(*cp2 == "zouxiaohang C++");
+	assert(*cp2 == "C++");