diff --git a/README.md b/README.md
index b349f09..08de707 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 lets you use normal `printf()` in your code.
 
 ### Adjustments to make
-the dafault configuration works on an atmega328p with 38400 baud. Any other setup might require one of the following changes.
+the default configuration works on an atmega328p with 38400 baud. Any other setup might require one of the following changes.
 
 #### Set baudrate in 'uart.h'
 line 6: