diff --git a/src/calibre/customize/__init__.py b/src/calibre/customize/__init__.py
index c7ac55799f..fc265efad7 100644
--- a/src/calibre/customize/__init__.py
+++ b/src/calibre/customize/__init__.py
@@ -423,7 +423,7 @@ class MetadataReaderPlugin(Plugin):  # {{{
         with the input data.
 
         :param type: The type of file. Guaranteed to be one of the entries
-        in :attr:`file_types`.
+            in :attr:`file_types`.
         :return: A :class:`calibre.ebooks.metadata.book.Metadata` object
         '''
         return None
@@ -455,7 +455,7 @@ class MetadataWriterPlugin(Plugin):  # {{{
         with the input data.
 
         :param type: The type of file. Guaranteed to be one of the entries
-        in :attr:`file_types`.
+            in :attr:`file_types`.
         :param mi: A :class:`calibre.ebooks.metadata.book.Metadata` object
         '''
         pass