fixed section levels

Signed-off-by: Jeen Broekstra <jeen.broekstra@gmail.com>

Author: abrokenjester

doc/rest-api/index.adoc

@@ -243,8 +243,8 @@ A specific repository with ID <ID> can be deleted from the server by sending req
 
 Care should be taken with the use of this method: the result of this operation is the complete removal of the repository from the server, including its configuration settings and (if present) data directory.
 
-==== Request examples
-===== Remove the “mem-rdf” repository
+=== Request examples
+==== Remove the “mem-rdf” repository
 
 Request: