diff --git a/src/packageurl/contrib/purl2url.py b/src/packageurl/contrib/purl2url.py
index ffd4968..1d43c68 100644
--- a/src/packageurl/contrib/purl2url.py
+++ b/src/packageurl/contrib/purl2url.py
@@ -21,6 +21,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+# Visit https://github.com/package-url/packageurl-python for support and
+# download.
 
 from packageurl import PackageURL
 from packageurl.contrib.route import NoRouteAvailable
diff --git a/tests/contrib/test_purl2url.py b/tests/contrib/test_purl2url.py
index a549a41..20086f9 100644
--- a/tests/contrib/test_purl2url.py
+++ b/tests/contrib/test_purl2url.py
@@ -21,6 +21,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+# Visit https://github.com/package-url/packageurl-python for support and
+# download.
 
 import pytest