diff --git a/README.md b/README.md
index 4d61cf7..11853b6 100644
--- a/README.md
+++ b/README.md
@@ -417,7 +417,7 @@ int main(int argc, char* argv[]) {
 
 Please see [examples/book_server](examples/book_server) for more details.
 
-## IPv6 Support]
+## IPv6 Support
 
 ### IPv6 Server