diff --git a/firmware/gen_config.bat b/firmware/gen_config.bat
index a79a70cad3..75c82cb554 100644
--- a/firmware/gen_config.bat
+++ b/firmware/gen_config.bat
@@ -1,2 +1,4 @@
+rem This batch files reads rusefi_config.txt and produses firmware persistent configuration headers
+rem the storage section of rusefi.ini is updated as well
 
 java -jar ../java_tools/ConfigDefinition.jar integration tunerstudio controllers\algo ../java_console