--- a/doc/book/en/C000-administration.en.txt	Mon Dec 22 14:13:39 2008 -0800
+++ b/doc/book/en/C000-administration.en.txt	Tue Dec 23 13:30:32 2008 +0100
@@ -15,3 +15,4 @@
    C020-site-config.en.txt
    C030-instance-config.en.txt
    C040-rql.en.txt
+   C041-rql-tutorial.en.txt

--- a/doc/book/en/C040-rql.en.txt	Mon Dec 22 14:13:39 2008 -0800
+++ b/doc/book/en/C040-rql.en.txt	Tue Dec 23 13:30:32 2008 +0100
@@ -43,36 +43,31 @@
 which may need to be guided at one time or another. 
 Finally, the syntax is a little esoteric.
 
-See also
-``````````
-RDFQL_
+Sparql
+``````
+
+The query language most similar to RQL is SPARQL_, defined by the W3C to serve
+for the semantic web. 
 
 
 The different types of queries
 ------------------------------
 
-Search ( `Any`)
+Search (`Any`)
    This type of query can extract entities and attributes of entities.
 
-Inserting entities ( `INSERT`)
+Inserting entities (`INSERT`)
    This type of query is used to insert new entities in the database. It
    will also create direct relationships entities newly created.
 
-Update entities, relations creation( `SET`)
+Update entities, relations creation (`SET`)
    This type of query updates existing entities in the database,
    or create relations between existing entities.
 
-Deletion of entities or relationship ( `DELETE`)
+Deletion of entities or relationship (`DELETE`)
    This type of query allows for the removal of entities and relations existing
    in the database.
 
-
-
-Examples
-========
-
-(see the tutorial: ref: `tutorielRQL` for more examples)
-
 Search Query
 ------------
 
@@ -582,8 +577,8 @@
 
 
 
-.. _Versa: Http://uche.ogbuji.net/tech/rdf/versa/
-.. _RDFQL: Http://www.w3.org/TandS/QL/QL98/pp/rdfquery.html
+.. _Versa: http://uche.ogbuji.net/tech/rdf/versa/
+.. _SPARQL: http://www.w3.org/TR/rdf-sparql-query/
 
 
-XXX see also RQL documentation in source rql/doc.
+[FIXME] see also RQL documentation in source rql/doc.