diff --git a/app/MindWork AI Studio/wwwroot/changelog/v26.4.1.md b/app/MindWork AI Studio/wwwroot/changelog/v26.4.1.md
index 8b4c23e0..3ff00c6a 100644
--- a/app/MindWork AI Studio/wwwroot/changelog/v26.4.1.md	
+++ b/app/MindWork AI Studio/wwwroot/changelog/v26.4.1.md	
@@ -37,7 +37,6 @@
 - Fixed an issue where file and folder selection dialogs could open more than once on Windows. Thanks to Bernhard for reporting this bug.
 - Fixed an issue where exporting to Word could fail when the message contained certain formatting.
 - Fixed security issues in the native app runtime by strengthening how AI Studio creates and protects the secret values used for its internal secure connection.
-- Fixed an issue by no longer accepting .doc files. Users will now receive an appropriate error message when attempting to upload them. Thanks to Bernhard for reporting this issue.
 - Updated several security-sensitive Rust dependencies in the native runtime to address known vulnerabilities.
 - Updated .NET to v9.0.15
 - Updated dependencies
\ No newline at end of file
diff --git a/app/MindWork AI Studio/wwwroot/changelog/v26.5.5.md b/app/MindWork AI Studio/wwwroot/changelog/v26.5.5.md
index 2620bda9..1a1d45e3 100644
--- a/app/MindWork AI Studio/wwwroot/changelog/v26.5.5.md	
+++ b/app/MindWork AI Studio/wwwroot/changelog/v26.5.5.md	
@@ -10,6 +10,7 @@
 - Improved the Qdrant startup and vector database initialization, so AI Studio can start more reliably while the local vector database is still starting.
 - Fixed the Pandoc installation, which could fail and prevent AI Studio from installing its local Pandoc dependency.
 - Fixed an issue where the spellchecking setting was not applied to all text fields in the slide builder assistant.
+- Fixed an issue where legacy `.doc` files could be selected even though AI Studio could not process them. These files are now rejected with a clear error message. Thanks to Bernhard for reporting this issue.
 - Fixed missing translations for file type names in file selection dialogs.
 - Upgraded the native secret storage integration to `keyring-core`, keeping API keys in the secure credential store provided by the operating system.
 - Upgraded Rust to v1.95.0.