rn-75 add Felipe's Zip's law note

Author: chriscool

rev_news/drafts/edition-75.md

@@ -56,7 +56,11 @@ This edition covers what happened during the month of April 2021.
  been seen once, though now that this list is out there we may see more
  of `deemed-obviously-correct-by`, `worriedly-acked-by`, and `cheered-on-by`
  in the future.
-
+
+ One can also note that this distribution roughly follows
+[Zip's law](https://en.wikipedia.org/wiki/Zipf%27s_law); the 10th most
+ popular line ("improved-by") is about 1/10 as popular as the 1st.
+
 [This script](https://gist.github.com/felipec/ce491d351c88e4acbdbf6bc02a47223d)
  can be used to replicate the analysis.
 
@@ -325,5 +329,5 @@ Christian Couder &lt;<[email protected]>&gt;,
 Jakub Narębski &lt;<[email protected]>&gt;,
 Markus Jansen &lt;<[email protected]>&gt; and
 Kaartic Sivaraam &lt;<[email protected]>&gt;
-with help from Patrick Steinhardt, Andrew Ardill and
-Jonas Bernoulli.
+with help from Patrick Steinhardt, Andrew Ardill,
+Felipe Contreras and Jonas Bernoulli.