diff --git a/docs/graphics-protocol.rst b/docs/graphics-protocol.rst
index 55b818446..9cc2aac33 100644
--- a/docs/graphics-protocol.rst
+++ b/docs/graphics-protocol.rst
@@ -256,7 +256,10 @@ sequence of escape codes to the terminal emulator::
 Note that only the first escape code needs to have the full set of control
 codes such as width, height, format etc. Subsequent chunks must have
 only the ``m`` key. The client **must** finish sending all chunks for a single image
-before sending any other graphics related escape codes.
+before sending any other graphics related escape codes. Note that the cursor
+position used to display the image **must** be the position when the final chunk is
+received. Finally, terminals must not display anything, until the entire sequence is
+received and validated.
 
 
 Detecting available transmission mediums