diff --git a/Protocols_Details.md b/Protocols_Details.md
index eaec0fa..093e3ab 100644
--- a/Protocols_Details.md
+++ b/Protocols_Details.md
@@ -324,6 +324,7 @@ A|E|T|R|FLIP|LED|PICTURE|VIDEO|HEADLESS|RTH|XCAL|YCAL
 Model: JXD 509 is using Q282 with CH12=Start/Stop motors
 
 ###Sub_protocol Q222
+Models: Q222 v1 and V686 v2
 
 CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8|CH9|CH10|CH11|CH12
 ---|---|---|---|---|---|---|---|---|---|---|---