diff --git a/CommandSet.MD b/CommandSet.MD
index 0eb54e4..965e034 100644
--- a/CommandSet.MD
+++ b/CommandSet.MD
@@ -6,7 +6,7 @@ All commands are _Escaped_ with hex 1b.
 | ------ | ------ | ------ | ------ |
 |1B 40 |	YES	|  |	Display Init |
 |1B 42 0n |	YES |	YES |Back Light ? (1..7) ? |
-|1B 47 [1024 bytes]	|	| YES | Upload Picture |
+|1B 47 [1024 bytes]	| YES | YES | Upload Picture (1) |
 |1B 12 |  |  | 	Vertical scroll mode |
 |1B 13	|  |  | Horizontal Scroll mode |
 |1B 5B 41 | YES |  | Move Cursor Up|
@@ -20,3 +20,5 @@ All commands are _Escaped_ with hex 1b.
 |1B 5F 0n |	 | |Set Cursor on/off (1/0)|
 |1B 72 0n |	YES	|  | Inverted character [n 0:OFF 1:ON]|
 |1B 50 nn |	YES	|  | Show Graphics Page nn |
+
+(1) : picture are 128x64 pixels, encoded 1 pixel per bits
\ No newline at end of file