diff --git a/README.md b/README.md
index 1955f75..4ae8ebe 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,6 @@ Development board schematics, case and antenna models are available under `extra
 
 Supported ESP32 boards are with 36 and 38 pinouts (configured with solder pads).
 
-⚠ **There are ESP32 boards with different socket widths: 22mm and 25mm, board files for 25mm have _wide suffux in file names.**
+⚠ **There are ESP32 boards with different socket widths: 22mm and 25mm, board files for 25mm have _wide suffix in file names.**
 
 ![Modes of operation](extras/images/device.png)