Fix function's documentation

Author: jesuslosada

microdata.py

@@ -13,17 +13,17 @@
 
 def get_items(location, encoding='UTF-8'):
     """
-    Pass in a file or file-like object and get a list of Items present in the
+    Pass in a string or file-like object and get a list of Items present in the
     HTML document.
     """
     dom_builder = html5lib.treebuilders.getTreeBuilder("dom")
     parser = html5lib.HTMLParser(tree=dom_builder)
-    
+
     if (sys.version_info.major == 3):
         tree = parser.parse(location)
     else:
         tree = parser.parse(location, encoding=encoding)
-    
+
     return _find_items(tree)