diff --git a/Arduino-IDE.md b/Arduino-IDE.md
index 77a348c4..d7f8bf32 100644
--- a/Arduino-IDE.md
+++ b/Arduino-IDE.md
@@ -46,15 +46,15 @@ Remove default compile options for floating point ``printf`` and ``scanf`` which
 
 - Select ``Tools`` and verify the following settings for **All Tasmota devices**.
 
-#### ESP8266 Board version 2.3.0:
+#### ESP8266 Board version 2.3.0 (2.3.x):
 
 <img src="https://github.com/arendst/arendst.github.io/blob/master/media/arduinoide230b.png" width="300" />
 
-#### ESP8266 Board version 2.4.2:
+#### ESP8266 Board version 2.4.2 (2.4.x):
 
 <img src="https://github.com/arendst/arendst.github.io/blob/master/media/arduinoide242b.png" width="300" />
 
-#### ESP8266 Board version 2.5.2:
+#### ESP8266 Board version 2.5.2 (2.5.x):
 
 <img src="https://github.com/arendst/arendst.github.io/blob/master/media/arduinoide250b.png" width="300" />