diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41efc4ab3..4117fd2e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-### Unreleased
+
+## Unreleased
 
 ### Added
 - Added Trash button to delete section [#347](https://github.com/clowder-framework/clowder/issues/347)
@@ -16,15 +17,13 @@ registration or heartbeat to Clowder that will restrict use of that extractor to
 - Add SMTP_FROM in docker-compose yml file. [#417](https://github.com/clowder-framework/clowder/issues/417)
 - Keycloak provider with secure social [#419](https://github.com/clowder-framework/clowder/issues/419)
 - Documentation on how to do easy testing of pull requests
+- Previewer source URL in the documentation to point to the Clowder GitHub repo. [#395](https://github.com/clowder-framework/clowder/issues/395)
+- Added a citation.cff file
 
 ## Fixed
 - Updated lastModifiesDate when updating file or metadata to a dataset, added lastModified to UI  [386](https://github.com/clowder-framework/clowder/issues/386)
 - Disabled button while create dataset ajax call is still going on [#311](https://github.com/clowder-framework/clowder/issues/311)
 
-## Unreleased
-
-### Added
-- added a citation.cff file
 
 ## 1.21.0 - 2022-08-23
 
diff --git a/doc/src/sphinx/develop/previewers.rst b/doc/src/sphinx/develop/previewers.rst
index d1f87488b..b9dc3da31 100644
--- a/doc/src/sphinx/develop/previewers.rst
+++ b/doc/src/sphinx/develop/previewers.rst
@@ -12,4 +12,4 @@ Previewer can work together with extractors and external services.
 
 
 Here is a list of previewer embedded with the core
-`source <https://opensource.ncsa.illinois.edu/bitbucket/projects/CATS/repos/clowder/browse/public/javascripts/previewers>`_.
\ No newline at end of file
+`source <https://github.com/clowder-framework/clowder/tree/master/public/javascripts/previewers>`_.