diff --git a/fs/romfs/Makefile b/fs/romfs/Makefile
index 2848913..9cb1b76 100644
--- a/fs/romfs/Makefile
+++ b/fs/romfs/Makefile
@@ -16,6 +16,7 @@ include $(DEVKITPRO)/libnx/switch_rules
 # DATA is a list of directories containing data files
 # INCLUDES is a list of directories containing header files
 # EXEFS_SRC is the optional input directory containing data copied into exefs, if anything this normally should only contain "main.npdm".
+# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional)
 #
 # NO_ICON: if set to anything, do not use icon.
 # NO_NACP: if set to anything, no .nacp file is generated.