Doc: CG: add the important part of regtest regeneration.

diff --git a/Documentation/contributor/release-work.itexi b/Documentation/contributor/release-work.itexi
index 985423706952195da34119a0cd210d9aadb83824..9ac082d854508f1a9d549a215cdbe9be58f4825c 100644 (file)
--- a/Documentation/contributor/release-work.itexi
+++ b/Documentation/contributor/release-work.itexi
@@ -262,6 +262,9 @@ Regenerating regtests (if the lilypond-book naming has changed):
 
 - git checkout release/lilypond-X.Y.Z-A
 
+- take lilypond-book and any related makefile updates from the
+  latest git.
+
 - configure; make; make test
 
 - tar -cjf lilypond-X.Y.Z-A.test-output.tar.bz2