diff --git a/CommandSet.MD b/CommandSet.MD
index 9066128..26dd5a7 100644
--- a/CommandSet.MD
+++ b/CommandSet.MD
@@ -23,6 +23,7 @@ according to the CP's drivers each command bloc was followed by an `usleep(1000)
 |0x1B 0x5F 0x0n | `ESC` _ _n_ | 3 |	 | | Hide Cursor on/off (1/0)|
 |0x1B 0x72 0x0n | `ESC` r *n* | 3 |	YES	|  | Inverted character [n 0:OFF 1:ON]|
 |0x1B 0x50 nn | `ESC` P _n_ | 3 |	YES	|  | Show Graphics Page nn |
+|0x1B 0x53 nn | `ESC` S _n_ | 3 | | | Save Current Screen to Page nn |
 
 **Notes**
 (1) : picture are 128x64 pixels, encoded 1 pixel per bits