diff --git a/Core/Src/yunhorn_sts_process.c b/Core/Src/yunhorn_sts_process.c
index f62d711..98e5e86 100644
--- a/Core/Src/yunhorn_sts_process.c
+++ b/Core/Src/yunhorn_sts_process.c
@@ -77,7 +77,7 @@ extern volatile uint8_t sensor_data_ready;
   	    // UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_YunhornSTSEventP4), CFG_SEQ_Prio_0);
 	  	// P1    --- REEDSWITCH, HALL ELEMENT, WATER LEAKAGE
 	   	// P2    --- SEE ABOVE, RSS PRESENCE
-	   	// P3    ---- LAMP BAR SCOLLER PROCESS
+	   	// P3    ----LAMP BAR SCOLLER PROCESS
 	   	// P4    --- TOF DISTANCE  VL53L0X simple distance
 	   	// P5    --- TOF IN OUT COUNT  VL53L3X in out or duration
 	   	// P6    --- SOAP Level, capacitive measurement
diff --git a/readme.txt b/readme.txt
index f291188..6b757b7 100644
--- a/readme.txt
+++ b/readme.txt
@@ -24,7 +24,20 @@
 
 @par Description
 
-
+	STS_R1 STS_R2 STS_R5 For 
+	| STS-R1    |	Jumbo Roll Level			|    TOF VL53L0X			|
+	| STS-R2	|	Tissue Paper Level			|    TOF VL53L0X			|
+	| STS-R5	|	Waste Bin Level				|    TOF VL53L0X			|
+	
+	| STS-R3	|	Soap Dispenser Sensor		|    GPIO Capacitive 		|
+	| STS-R4	|	Cistern/Tank Level Sensor	|    UART UltraSonic 		|
+	
+	| STS-M1	|	Water Leakage Sensor		|    GPIO ReedSwitch 		|
+	| STS-O5	|	Door Contact				|	 GPIO ReedSwitch		|
+	| STS-M7	|	Vibration Sensor			|    I2C 3-Axis vibration	|
+	
+	
+	Jumbo Roll, Tissue Paper, Waste Bin sensor
 
   ******************************************************************************