Index: /trunk/include/iprt/http.h
===================================================================
--- /trunk/include/iprt/http.h	(revision 58220)
+++ /trunk/include/iprt/http.h	(revision 58221)
@@ -294,4 +294,5 @@
  * @param   pfnDownloadProgress Progress function to be called. Set it to
  *                          NULL to disable the callback.
+ * @param   pvUser          Convenience pointer for the callback function.
  */
 RTR3DECL(int) RTHttpSetDownloadProgressCallback(RTHTTP hHttp, PRTHTTPDOWNLDPROGRCALLBACK pfnDownloadProgress, void *pvUser);