diff --git a/Using-the-library-with-Arduino.md b/Using-the-library-with-Arduino.md
index a97f6c6..5ef5287 100644
--- a/Using-the-library-with-Arduino.md
+++ b/Using-the-library-with-Arduino.md
@@ -8,7 +8,7 @@ If you don't use the Arduino IDE, please read [Using the library without Arduino
 ArduinoJson is available in Arduino's Library Manager.
 You can automatically install it from there.
 
-### For old Arduino IDE version
+### For older Arduino IDE
 
 You needed [download the zip package](https://github.com/bblanchon/ArduinoJson/releases) and extract it to: