diff --git a/AlphaX-4chan.md b/AlphaX-4chan.md
index e42c3a1f..4829fe89 100644
--- a/AlphaX-4chan.md
+++ b/AlphaX-4chan.md
@@ -24,6 +24,9 @@
 
 ## Changelog
 
+rev D:
+ - SD card added
+
 rev C:
  - improved PCB shape
  - better thermal and overall simpler to solder