From 5df0bee465e541d2a5d3b8651aa8574a037f3a95 Mon Sep 17 00:00:00 2001
From: johnA1331 <53036378+johnA1331@users.noreply.github.com>
Date: Tue, 9 Jun 2020 19:32:23 +0800
Subject: [PATCH] Update README.md

---
 patterns/solid/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/patterns/solid/README.md b/patterns/solid/README.md
index cae346e3c9..f5146732a0 100644
--- a/patterns/solid/README.md
+++ b/patterns/solid/README.md
@@ -2,4 +2,4 @@
 
 - [A Solid Guide to Solid Principles](https://www.baeldung.com/solid-principles)
 - [Single Responsibility Principle in Java](https://www.baeldung.com/java-single-responsibility-principle)
-
+- [Open/Closed Principle in Java](https://www.baeldung.com/java-open-closed-principle)