diff --git a/Src/CH91PayloadSoftware/BtnST.h b/Src/CH91PayloadSoftware/BtnST.h
index 1c74e6f..cec5284 100644
--- a/Src/CH91PayloadSoftware/BtnST.h
+++ b/Src/CH91PayloadSoftware/BtnST.h
@@ -18,7 +18,7 @@
 //	THIS SOFTWARE IS FREE FOR PERSONAL USE OR FREEWARE APPLICATIONS.
 //	IF YOU USE THIS SOFTWARE IN COMMERCIAL OR SHAREWARE APPLICATIONS YOU
 //	ARE GENTLY ASKED TO DONATE 1$ (ONE U.S. DOLLAR) TO THE AUTHOR:
-
+ 
 #ifndef _BTNST_H
 #define _BTNST_H