diff --git a/docs/en/04_Changelogs/4.11.0.md b/docs/en/04_Changelogs/4.11.0.md
index 5f32ee96e..6946d1175 100644
--- a/docs/en/04_Changelogs/4.11.0.md
+++ b/docs/en/04_Changelogs/4.11.0.md
@@ -6,6 +6,7 @@
 - [Dropping support for PHP 7.3](#phpeol)
 - [Features and enhancements](#features-and-enhancements)
 - [Bugfixes](#bugfixes)
+- [Internal API changes](#internal-api-changes)
 
 
 ## Regression test and Security audit{#audit}
@@ -25,6 +26,10 @@ In accordance with our [PHP support policy](/Getting_Started/Server_Requirements
 
 This release includes a number of bug fixes to improve a broad range of areas. Check the change logs for full details of these fixes split by module. Thank you to the community members that helped contribute these fixes as part of the release!
 
+## Internal API changes {#internal-api-changes}
+
+ - Fixed typo in `SilverStripe\Core\CoreKernel` protected variable `$enviroment`, now `$environment`.  
+   If you've extended CoreKernel and not using the appropriate getter/setter methods, please update your code.
 
 <!--- Changes below this line will be automatically regenerated -->