diff --git a/doc/80-Upgrading.md b/doc/80-Upgrading.md
index ca7490094..44dc60575 100644
--- a/doc/80-Upgrading.md
+++ b/doc/80-Upgrading.md
@@ -5,6 +5,7 @@ v2.6 to v2.8 requires to follow the instructions for v2.7 too.
 
 ## Upgrading to Icinga Web 2 2.11.x
 
+* Support for Internet Explorer 11 has been removed.
 * The Vagrant file and all its assets have been removed.
 * The `IniStore` class has been removed due to the deprecation of the Preferences ini backend.
 * The `DbStore` class has been removed and its methods have been added to `PreferencesStore` class.