diff --git a/README.md b/README.md
index 3f2d667..940f0e9 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # picoAM
 A simple but capable AM transmitter for the Raspbery Pi pico!
 
-## USE Arduino Mbed OS RP2040 Boards VERSION 3.x! 4.x+ is not currently compatible.
+### Use Arduino Mbed OS RP2040 Boards VERSION 3.x! 4.x+ is not currently compatible.
 
 ![Image of assembled circuit](https://media.discordapp.net/attachments/1077080199847489626/1102196399577247774/20230430_133433.jpg)
 (image deviates slightly from current version of the circuit, apologies!)