diff --git a/Support-for-AARCH64.md b/Support-for-AARCH64.md
index 6ba0588..8f03654 100644
--- a/Support-for-AARCH64.md
+++ b/Support-for-AARCH64.md
@@ -10,6 +10,8 @@ Requirements:
 
 ## Status
 
+Update: I now have a Raspberry Pi 4B so I'm working through some build issues. Things are progressing but there is no point in user trying it yet. I hope to have more news soon. FYI the Pi dopesn't have AES or SHA2.
+
 * Current status: first release available, start testing
 
 Optimizations available in first public release: