diff --git a/CentOS-Build.md b/CentOS-Build.md
index c767a3e..4ede68d 100644
--- a/CentOS-Build.md
+++ b/CentOS-Build.md
@@ -1,6 +1,8 @@
 **:warning: Recent version of this page https://xmrig.com/docs/miner/centos7-build.**
 
 <details>
+<summary>Old page</summary>
+
 ## CentOS 7
 
 Thanks [Maxim-Mazurok](https://github.com/xmrig/xmrig/issues/326) for these instructions