diff --git a/README.md b/README.md
index 7182d68ef..7b818f09e 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,8 @@ We define generic Proxmark3 platforms as following devices.
 **Unknown support status**
  - ⚠  VX
    - **Note**: unknown device hw
+-  ⚠ Proxmark3 X 
+   - **Note**: unknown device hw.  
 
 
 **256kb flash memory size of generic Proxmark3 platforms**