diff --git a/docs/DEPRECATE.md b/docs/DEPRECATE.md
index 4cd5a22ce2..598b77398d 100644
--- a/docs/DEPRECATE.md
+++ b/docs/DEPRECATE.md
@@ -15,7 +15,11 @@ don't test it in the test suite and CI.
 
 We keep the native NTLM implementation.
 
-curl will remove the support for NTLM_WB auth in June 2024.
+Due to a mistake, the `NTLM_WB` functionality is missing in builds since 8.4.0
+(October 2023). It needs to be manually patched to work. See [PR
+12479](https://github.com/curl/curl/pull/12479).
+
+curl will remove the support for NTLM_WB auth in April 2024.
 
 ## space-separated `NOPROXY` patterns