diff --git a/doc/environment.md b/doc/environment.md
index f11250f34..9339f4c0b 100644
--- a/doc/environment.md
+++ b/doc/environment.md
@@ -187,14 +187,14 @@ Please, be aware that **the configured locale will imply the CURRENCY displayed
 
 _Eg.: configuring **fr-fr** will set the currency symbol to **€** but **fr-ca** will set **$** as currency symbol, so setting the `ANGULAR_LOCALE` to simple **fr** (without country indication) will probably not do what you expect._
 
-See [code.angularjs.org/i18n/angular-locale_*.js](https://code.angularjs.org/1.6.10/i18n/) for a list of available locales. Default is **en**.
+See [code.angularjs.org/i18n/angular-locale_*.js](https://code.angularjs.org/1.8.2/i18n/) for a list of available locales. Default is **en**.
 <a name="FULLCALENDAR_LOCALE"></a>
 
     FULLCALENDAR_LOCALE
 
 Configure the fullCalendar JS agenda library.
 
-See [github.com/fullcalendar/fullcalendar/lang/*.js](https://github.com/fullcalendar/fullcalendar/tree/v2.3.1/lang) for a list of available locales. Default is **en-us**.
+See [github.com/fullcalendar/fullcalendar/lang/*.js](https://github.com/fullcalendar/fullcalendar/tree/v3.10.2/locale) for a list of available locales. Default is **en-us**.
 <a name="POSTGRESQL_LANGUAGE_ANALYZER"></a>
 
     POSTGRESQL_LANGUAGE_ANALYZER