diff --git a/src/imports/ch341.h b/src/imports/ch341.h
index 6115019..bb686ac 100644
--- a/src/imports/ch341.h
+++ b/src/imports/ch341.h
@@ -1,9 +1,16 @@
+/**
+ * This is the header for ch341dll.dll, a library for interfacing with the
+ * CH341 USB to serial/parallel port chip. Magic Box uses this for their
+ * proprietary IO, and it provides access to the panel sensors.
+ *
+ * The full .h for this file is floating around online with many more functions
+ * and comments (in Chinese). Only the bare minimum definitions are provided
+ * here for use in jbio-magicbox
+ */
+
 #ifndef IMPORTS_CH341_H
 #define IMPORTS_CH341_H
 
-// The bare minimum definitions to implement jbio-magicbox
-// There is a full .h for this DLL floating around online, if you care
-
 HANDLE WINAPI CH341OpenDevice(ULONG iIndex);
 VOID WINAPI CH341CloseDevice(ULONG iIndex);
 BOOL WINAPI CH341EppReadData(ULONG iIndex, PVOID oBuffer, PULONG ioLength);