diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74166b8bd..faf66828e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,7 +33,8 @@ BUG FIXES:
 * command/taint, untaint: Fix issue when using `taint` (and `untaint`) with workspaces where statefile was not found. [GH-22467]
 * configs: Report an error when provider configuration attributes are incorrectly added to a `required_providers` object. ([#26184](https://github.com/hashicorp/terraform/issues/26184))
 * core: Errors with data sources reading old data during refresh, failing to refresh, and not appearing to wait on resource dependencies are fixed by updates to the data source lifecycle and the merging of refresh and plan ([#26270](https://github.com/hashicorp/terraform/issues/26270))
-* lang/funcs: fix panic when element() is called with a negative offset ([#26079](https://github.com/hashicorp/terraform/issues/26079))
+* lang/funcs: fix panic when `element()` is called with a negative offset ([#26079](https://github.com/hashicorp/terraform/issues/26079))
+* lang/funcs: `lookup()` will now only treat map as unknown if it is wholly unknown [GH-26427]
 * states/remote: fix `state push -force` to work for all backends ([#26190](https://github.com/hashicorp/terraform/issues/26190))