diff --git a/doc/faq.rst b/doc/faq.rst
index 80ef17a19b..a0a2a0db5d 100644
--- a/doc/faq.rst
+++ b/doc/faq.rst
@@ -1576,7 +1576,7 @@ etc.).
 .. _faq6_17:
 
 6.17 Transformations: I can't enter my own mimetype! What is this feature then useful for?
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+------------------------------------------------------------------------------------------
 
 Defining mimetypes is of no use if you can't put
 transformations on them. Otherwise you could just put a comment on the