Closes #397, maybe.

hca/dss/__init__.py

@@ -232,6 +232,9 @@ def download(self,
         If a retryable exception occurs, we wait a bit and retry again.  The delay increases each time we fail and
         decreases each time we successfully read a block.  We set a quota for the number of failures that goes up with
         every successful block read and down with each failure.
+
+        Data will be downloaded into ${DOWNLOAD_DIR}/${BUNDLE_UUID}.${BUNDLE_VERSION} as set in the arguments.
+        By default, DOWNLOAD_DIR is the current working directory.
         """
         if no_metadata:
             if metadata_filter != ('*',):
@@ -571,7 +574,7 @@ def _download_to_filestore(self, dss_file):
         else:
             logger.debug("Downloading '%s' to '%s'.", dss_file.name, dest_path)
             self._download_file(dss_file, dest_path)
-            logger.info("Download '%s' to '%s'.", dss_file.name, dest_path)
+            logger.debug("Download '%s' to '%s'.", dss_file.name, dest_path)
         return dest_path
 
     def _download_and_link_to_filestore(self, dss_file, file_path):