diff --git a/README.md b/README.md
index 3a1c8ca..be665db 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ git clone https://github.com/SanchayanMaity/LinuxWorkshop.git
 
 Build and install the OE-Core aka Yocto SDK, for instructions related to building and installing SDK, have a look at this knowledge base [article](http://developer.toradex.com/knowledge-base/linux-sdks).
 
-The Linux image for Vybrid module being used for the workshop can be downloaded [here](https://share.toradex.com/9dlqpzgduzomatw)and flashed to the module as per [Flashing Embedded Linux to Vybrid Modules](http://developer.toradex.com/knowledge-base/flashing-linux-on-vybrid-modules) if required. To facilitate development, a sample SDK can be downloaded from this [link](https://share.toradex.com/erezkkl0c5yunve). Install the SDK by executing the following from the command line
+The Linux image for Vybrid module being used for the workshop can be downloaded [here](https://share.toradex.com/9dlqpzgduzomatw) and flashed to the module as per [Flashing Embedded Linux to Vybrid Modules](http://developer.toradex.com/knowledge-base/flashing-linux-on-vybrid-modules) if required. To facilitate development, a sample SDK can be downloaded from this [link](https://share.toradex.com/erezkkl0c5yunve). Install the SDK by executing the following from the command line
 
 ```
 chmod a+x angstrom-glibc-x86_64-armv7at2hf-neon-v2016.12-toolchain.sh
@@ -58,23 +58,23 @@ Waiting for interrupt. Press 'q' and 'Enter' at any time to exit
 ```
 root@colibri-vf:~# ./pcf8574
 
-Enter choice: 1. Joy stick status 2. Led On/Off 3. Buzzer On/Off 4. Exit
+Enter choice: 1. Joy stick status 2. Led2 On/Off 3. Buzzer On/Off 4. Exit
 1
 Key A pressed
 
-Enter choice: 1. Joy stick status 2. Led On/Off 3. Buzzer On/Off 4. Exit
+Enter choice: 1. Joy stick status 2. Led2 On/Off 3. Buzzer On/Off 4. Exit
 2
 
-Enter choice: 1. Joy stick status 2. Led On/Off 3. Buzzer On/Off 4. Exit
+Enter choice: 1. Joy stick status 2. Led2 On/Off 3. Buzzer On/Off 4. Exit
 2
 
-Enter choice: 1. Joy stick status 2. Led On/Off 3. Buzzer On/Off 4. Exit
+Enter choice: 1. Joy stick status 2. Led2 On/Off 3. Buzzer On/Off 4. Exit
 3
 
-Enter choice: 1. Joy stick status 2. Led On/Off 3. Buzzer On/Off 4. Exit
+Enter choice: 1. Joy stick status 2. Led2 On/Off 3. Buzzer On/Off 4. Exit
 3
 
-Enter choice: 1. Joy stick status 2. Led On/Off 3. Buzzer On/Off 4. Exit
+Enter choice: 1. Joy stick status 2. Led2 On/Off 3. Buzzer On/Off 4. Exit
 4
 ```
 
diff --git a/pcf8574/main.c b/pcf8574/main.c
index d6aa114..8cbe9fe 100644
--- a/pcf8574/main.c
+++ b/pcf8574/main.c
@@ -62,7 +62,7 @@ int main(void)
 		return EXIT_FAILURE;
 
 	while (true) {
-		printf("\nEnter choice: 1. Joy stick status 2. Led On/Off 3. Buzzer On/Off 4. Exit\n");
+		printf("\nEnter choice: 1. Joy stick status 2. Led2 On/Off 3. Buzzer On/Off 4. Exit\n");
 		scanf("%d", &input);
 		switch (input) {
 		case 1: