Extensibility
=============
-Every section can define new variables that are not part of the specification.
-They are called **extensions**.
+Every section can have fields that are not part of this specification. They are
+called **extensions**.
-An extension field starts with *X-*.
-
-Example::
+An extension field starts with ``X-``. Example::
[metadata]
- ...
+ name = Distribute
X-Debian-Name = python-distribute
- it may write optional fields
-Acks
-====
-XXX
+
+
+Acknowledgments
+===============
+
+This specification includes work and feedback from these people:
+
+- Tarek Ziadé
+- Julien Jehannet
+- Boris Feld
+- Éric Araujo
+
+(If your name is missing, please :ref:`let us know <reporting-bugs>`.)