diff --git a/CHANGELOG.md b/CHANGELOG.md
index b43023b19..06ce7162d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,7 +18,8 @@
 - Added freeCAD files as default allowed extensions
 - Rake task to sync local users with Stripe
 - Unified translations syntax to use ICU MessageFormat
-- Updated and refactored README
+- Refactored front-end translations keys with unified paths
+- Updated and refactored README and documentations
 - Fix a bug: unable to remove the picture from a training
 - Fix a bug: no alerts on errors during admin creation
 - Fix a bug: replaces all Time.now by DateTime.current to prevent time zones issues [Taiga#134]
diff --git a/doc/environment.md b/doc/environment.md
index 23d962d94..2c435a529 100644
--- a/doc/environment.md
+++ b/doc/environment.md
@@ -325,7 +325,7 @@ Configure the first day of the week in your locale zone (generally monday or sun
     D3_DATE_FORMAT
 
 Date format for dates displayed in statistics charts.
-See [D3 Wiki](https://github.com/mbostock/d3/wiki/Time-Formatting#format) for available formats.
+See [D3 Wiki](https://github.com/d3/d3-time-format/blob/v2.2.2/README.md#locale_format) for available formats.
 <a name="UIB_DATE_FORMAT"></a>
 
     UIB_DATE_FORMAT