diff --git a/Debug-Serial.md b/Debug-Serial.md
index 3557866..b575d85 100644
--- a/Debug-Serial.md
+++ b/Debug-Serial.md
@@ -43,14 +43,14 @@ If enabled with parameter DEBUG_SERIAL_PROTOCOL in [config.h](https://github.com
### Commands
|Command|Usage|Description|
|---|---|---|
-|HELP|HELP
HELP PPPP|Prints all commands/parameters/variables available for the protocol
If parameter/variable PPPP is provided, it will print individual help text|
-|GET|GET
GET PPPP|Prints current value, initial value, minimum and maximum for all parameters/variables
If parameter/variable PPPP is provided, it will print current value, initial value, minimum and maximum for parameter/variable|
-|SET|SET PPPP VVVV|Sets parameter PPPP with Value VVVV if it's in the correct range|
-|INIT|INIT PPPP|Initializes parameter PPPP to EEPROM value if available, config.h value otherwise|
-|SAVE|SAVE|Saves all parameters that can be saved to EEPROM|
-|WATCH|WATCH PPPP|Enables/disables output for parameter/variable. It will display 15 values at most|
+|$HELP|HELP
HELP PPPP|Prints all commands/parameters/variables available for the protocol
If parameter/variable PPPP is provided, it will print individual help text|
+|$GET|GET
GET PPPP|Prints current value, initial value, minimum and maximum for all parameters/variables
If parameter/variable PPPP is provided, it will print current value, initial value, minimum and maximum for parameter/variable|
+|$SET|SET PPPP VVVV|Sets parameter PPPP with Value VVVV if it's in the correct range|
+|$INIT|INIT PPPP|Initializes parameter PPPP to EEPROM value if available, config.h value otherwise|
+|$SAVE|SAVE|Saves all parameters that can be saved to EEPROM|
+|$WATCH|WATCH PPPP|Enables/disables output for parameter/variable. It will display 15 values at most|
-An end of line(\n) character is expected at the end of each command.
+⚠️ Commands start with $ and end of line(\n) character is expected at the end of each command.
### Parameters/Variables
All commands can be used for parameters, but variables cannot be Set,Initialized or Saved.