diff --git a/README.md b/README.md
index bec443d..4958f9d 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,9 @@ Configuration
 Check your Raspberry pi board pin layout and make sure your button  matches with the GPIO pin `PIN = 27` from `kukuc-clock.py`
 > `pinout`
 
+Set the username and password for the Text-To-Speech API as `username:password`
+> `nano credentials.txt`
+
 Use `raspi-config` `"System Options -> Audio"` to generate the ALSA config file
 > `sudo raspi-config`
 
@@ -60,7 +63,11 @@ Put your sound card number `"card 0"` or `"card 1"` into the ALSA config file
 Install the ALSA config file
 > `mv .asoundrc ~/`
 
-Test it first with emulated GPIO. It will simulate the button event: 'press and hold for 8 seconds then release'
+
+Run the simulation
+------------------
+
+Test it first with emulated GPIO. It will simulate the button event: `press and hold for 8 seconds then release`. It should play the time from the speaker. It should also work on an X86 platforms under linux
 > `python3 kukuc-clock.py test`
 
 Run it!