--- a/doc/book/en/tutorials/advanced/part04_ui-base.rst	Mon Aug 26 16:12:30 2013 +0200
+++ b/doc/book/en/tutorials/advanced/part04_ui-base.rst	Mon Aug 26 16:14:09 2013 +0200
@@ -194,8 +194,6 @@
 
 .. Note::
 
-    * Adapters have been introduced in CubicWeb 3.9 / cubicweb-folder 1.8.
-
     * As seen earlier, we want to **replace** the folder's `ITree` adapter by our
       implementation, hence the custom `registration_callback` method.
 
@@ -241,12 +239,6 @@
 ascendant/descendant ordering and a strict comparison with current file's name
 (the "X" variable representing the current file).
 
-.. Note::
-
-    * Former `implements` selector should be replaced by one of `is_instance` /
-      `adaptable` selector with CubicWeb >= 3.9. In our case, `is_instance` to
-      tell our adapter is able to adapt `File` entities.
-
 Notice that this query supposes we wont have two files of the same name in the
 same folder, else things may go wrong. Fixing this is out of the scope of this
 blog. And as I would like to have at some point a smarter, context sensitive
@@ -358,7 +350,7 @@
 You'll have to answer some questions, as we've seen in `an earlier post`_.
 
 Now that everything is tested, I can transfer the new code to the production
-server, `apt-get upgrade` cubicweb 3.9 and its dependencies, and eventually
+server, `apt-get upgrade` cubicweb and its dependencies, and eventually
 upgrade the production instance.