add pr number to changelog

Author: adrinjalali

docs/changes.rst

@@ -14,7 +14,7 @@ v0.8
 - Adds the abillity to set the :attr:`.Section.folded` property when using :meth:`.Card.add`.
   :pr:`361` by :user:`Thomas Lazarus <lazarust>`.
 - Add HTML representation of the :class:`skops.card.Card` instances in Jupyter
-  notebooks.
+  notebooks. :pr:`372` by `Adrin Jalali`_.
 
 v0.7
 ----