[css-pseudo-4] Add fremy to acks #1097

Author: fantasai

css-pseudo-4/Overview.bs

@@ -1036,12 +1036,12 @@ Changes</h2>
 <h2 class="no-num" id="acknowledgements">
 Acknowledgements</h2>
 
-  The editors would like to thank the following individuals for their
-  contributions, either during the conception of the specification or during
-  its development and specification review process:
+  The editors would like to specifically thank the following individuals for their
+  contributions to this specification:
   Tab Atkins,
   David Baron,
   Razvan Caliman,
   Chris Coyier,
   Anders Grimsrud,
-  Vincent Hardy.
+  Vincent Hardy,
+  François Remy.