diff --git a/changes/405.changed b/changes/405.changed
index 42351570..fc7107a9 100644
--- a/changes/405.changed
+++ b/changes/405.changed
@@ -1 +1 @@
-- BREAKING: Remove `type` from `DatasetSpec` ([#405](https://github.com/Substra/substra/pull/405))
\ No newline at end of file
+- BREAKING: Remove `type` from `DatasetSpec`
diff --git a/changes/407.changed b/changes/407.changed
index 60eaab4c..161d4155 100644
--- a/changes/407.changed
+++ b/changes/407.changed
@@ -1 +1 @@
-- Depreciate `setup.py` in favour of `pyproject.toml` ([#407](https://github.com/Substra/substra/pull/407))
\ No newline at end of file
+- Depreciate `setup.py` in favour of `pyproject.toml`
diff --git a/pyproject.toml b/pyproject.toml
index 78611429..0a0289b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,6 +73,7 @@ filename = "CHANGELOG.md"
 start_string = "<!-- towncrier release notes start -->\n"
 underlines = ["", "", ""]
 title_format = "## [{version}](https://github.com/Substra/substra/releases/tag/{version}) - {project_date}"
+issue_format = "[#{issue}](https://github.com/Substra/substra/pull/{issue})"
 [tool.towncrier.fragment.added]
 [tool.towncrier.fragment.removed]
 [tool.towncrier.fragment.changed]