diff --git a/firmware/main_mcu/src/config-example.h b/firmware/main_mcu/src/config-example.h
index cae774c..6495b26 100644
--- a/firmware/main_mcu/src/config-example.h
+++ b/firmware/main_mcu/src/config-example.h
@@ -1,4 +1,4 @@
-// This is an example config file. Copy this file to "config.h" and set the 
+// This is an example config file. Copy this file to "config.h" and set the
 // values needed for your network.
 
 #ifndef __CONFIG_H_