Add RELEASE-NOTES.txt update step to release guide
diff --git a/src/main/site/content/dev/release-guide.md b/src/main/site/content/dev/release-guide.md
index 177e485..8761681 100644
--- a/src/main/site/content/dev/release-guide.md
+++ b/src/main/site/content/dev/release-guide.md
@@ -27,7 +27,8 @@
## Preparing Sources
-* Edit UPGRADE-NOTES.txt if there is anything to add there.
+* Edit `UPGRADE-NOTES.txt` if there is anything to add there.
+* Update `RELEASE-NOTES.txt` with actual release name and current date as a release date.
* Check Sources Compliance with [RAT](http://creadur.apache.org/rat/). To run RAT,
download the distro and unpack it somewhere. You can run it directly, or use a convenience script available at the root of Cayenne
source. Then read the report and fix any issues.
