docs: add info about shortlog_mesa.sh script

diff --git a/docs/devinfo.html b/docs/devinfo.html
index 855fbf4..4828cc6 100644 (file)
--- a/docs/devinfo.html
+++ b/docs/devinfo.html
@@ -183,7 +183,10 @@ Update docs/news.html.
 </p>
 
 <p>
-Check in all updates to git.
+Create a docs/relnotes-x.y.z.html file.
+The bin/shortlog_mesa.sh script can be used to create a HTML-formatted list
+of changes to include in the file.
+Link the new docs/relnotes-x.y.z.html file into the main relnotes.html file.
 </p>
 
 <p>