diff --git a/CHANGES.md b/CHANGES.md
index e931b167553..2f764c56e74 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,14 @@ Notable changes between releases of the Glottolog data.
 ## [Unreleased]
 
 
+## [3.3.1] - 2018-08-06
+
+- fixed issue https://github.com/clld/glottolog/issues/240 whereby English was
+  listed as nearly extinct language.
+- fixed issue https://github.com/clld/glottolog/issues/239 whereby languoid index
+  files were not in sync with the classification tree.
+
+
 ## [3.3] - 2018-07-25
 
 See https://github.com/clld/glottolog/pulls?q=is%3Apr+is%3Amerged for a list of
diff --git a/RELEASING.md b/RELEASING.md
index 9bbffcbd8ba..f7c9520b92a 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -41,8 +41,14 @@ Merging the BibTeX files
 Releasing
 ---------
 
-9. Draft a new release
-10. Add DOI badge from ZENODO as soon as it becomes available.
+9. Add release notes to `CHANGES.md`
+10. Draft a new release running
+```
+git commit -a -m"release <version>"
+git tag -a v<version> -m "release <version>"
+```
+and have it picked up by ZENODO by turning the tag into a "proper" release on GitHub.
+11. Add DOI badge from ZENODO as soon as it becomes available.
 
 
 Releasing `pyglottolog`