diff --git a/README.md b/README.md
index d35306b..613a4ad 100644
--- a/README.md
+++ b/README.md
@@ -162,6 +162,9 @@ For the following models there is no known way to read the EEPROM via SNMP proto
 - [ET-4800](https://github.com/Ircama/epson_print_conf/issues/29) with new firmware (older firmware might work)
 - [L3250](https://github.com/Ircama/epson_print_conf/issues/35)
 - [L18050](https://github.com/Ircama/epson_print_conf/issues/47)
+
+For the following model the write key is not known:
+
 - [XP-2200](https://github.com/Ircama/epson_print_conf/issues/51)
 
 ### Using the command-line tool