minor doc correction

Author: jreback

pandas/io/pytables.py

@@ -1149,7 +1149,9 @@ def copy(self, file, mode='w', propindexes=True, keys=None, complib=None,
         return new_store
 
     def info(self):
-        """return detailed information on the store
+        """
+        print detailed information on the store
+
         .. versionadded:: 0.21.0
         """
         output = '%s\nFile path: %s\n' % (type(self), pprint_thing(self._path))