1 files changed, 3 insertions, 4 deletions

diff --git a/doc/telegram-chat.md b/doc/telegram-chat.md
index 2a4af99..eb4acf5 100644
--- a/doc/telegram-chat.md
+++ b/doc/telegram-chat.md
@@ -4,7 +4,7 @@ Chat with your router and send commands via Telegram bot
 [![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-7.12-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.13-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)
 
@@ -130,9 +130,8 @@ send information on its own. Something like this should do the job:
 
 ### Output size
 
-RouterOS is limited in reading file content to a size of about four
-kilobytes. Reading larger files does just fail, and that is also the limit
-for command output.
+Telegram messages have a limit of 4096 characters. If output is too large it
+is truncated, and a warning is added to the message.
 
 ### Sending commands to a group