1 files changed, 2 insertions, 1 deletions
diff --git a/doc/check-routeros-update.md b/doc/check-routeros-update.md
index 2e9b8aa..b6c716c 100644
--- a/doc/check-routeros-update.md
+++ b/doc/check-routeros-update.md
@@ -4,7 +4,7 @@ Notify on RouterOS update
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.14-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
@@ -99,6 +99,7 @@ startup is perfectly valid:
 See also
 --------
 
+* [Check perpetual license on CHR](check-perpetual-license.md)
 * [Automatically upgrade firmware and reboot](firmware-upgrade-reboot.md)
 * [Manage system update](packages-update.md)