Merge pull request #137 from adamrp/issue-126

Improve docstring on load_raw_data_cmd

Author: antgonza

Diff for: qiita_db/commands.py

@@ -91,9 +91,18 @@ def load_raw_data_cmd(filepaths, filepath_types, filetype, study_ids):
     Parameters
     ----------
     filepaths : iterable of str
+        Paths to the raw data files
     filepath_types : iterable of str
+        Describes the contents of the files.
     filetype : str
+        The type of file being loaded
     study_ids : iterable of int
+        The IDs of the studies with which to associate this raw data
+
+    Returns
+    -------
+    qiita_db.RawData
+        The newly created `qiita_db.RawData` object
     """
     if len(filepaths) != len(filepath_types):
         raise ValueError("Please pass exactly one filepath_type for each "