--- a/cubicweb/server/rqlannotation.py	Fri Mar 15 21:35:59 2019 +0100
+++ b/cubicweb/server/rqlannotation.py	Wed Mar 13 10:26:15 2019 +0100
@@ -117,7 +117,8 @@
                 var._q_invariant = False
 
 
-class SQLGenAnnotator(object):
+class RQLAnnotator(object):
+    """Annotate the RQL abstract syntax tree to inform the SQL generation"""
 
     def __init__(self, schema):
         self.schema = schema