diff --git a/README.md b/README.md
index f369d50..5279e79 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Hardware
 - [Raspberry Pi Zero W](https://hackerboards.com/board/raspberry-pi-foundation-raspberry-pi-zero-w-wireless)
 
 - A button connected to the Raspberry pi GPIO as shown in the schema to debounce noisy contacts  
-![kukuc-clock-schema](assets/kukuc-clock-schema.png) ![button-with-RC](assets/button_with_RC.png)
+![kukuc-clock-schema](assets/kukuc-clock-schema.png) ![button-with-RC](assets/button-with-RC.png)
 
 - USB speaker with a microphone e.g. [Jabra Speak 410](https://www.jabra.com/_/media/Jabra_VXi_Product-Documentation/Jabra-SPEAK-410-Series/technical-specifications/RevB/Jabra-Speak-410-Techsheet-A4-290420-Web.pdf)
 - microSD card 8GB
@@ -50,7 +50,9 @@ 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`
+
+`pinout`  
+![rpizero-pinout](assets/rpizero-pinout.png)
 
 Set the username and password for the Text-To-Speech API as `username:password`
 > `nano credentials.txt`
diff --git a/assets/button_with_RC.png b/assets/button-with-RC.png
similarity index 100%
rename from assets/button_with_RC.png
rename to assets/button-with-RC.png
diff --git a/assets/kukuc-clock-schema.png b/assets/kukuc-clock-schema.png
index a48a422..c4b038c 100644
Binary files a/assets/kukuc-clock-schema.png and b/assets/kukuc-clock-schema.png differ
diff --git a/assets/rpizero-pinout.png b/assets/rpizero-pinout.png
new file mode 100644
index 0000000..930eeb3
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