diff --git a/Readme.md b/Readme.md
index 3ad313e..65f56ad 100644
--- a/Readme.md
+++ b/Readme.md
@@ -29,6 +29,7 @@
 | Resistors (10kΩ)          | 3            | Pull-down resistors for buttons           | Ensures stable button input                 |  
 | Wires / Dupont Connectors | Several      | For connections                           | Ensure reliable wiring                      |  
 | Enclosure                 | 1            | 3D-printed or custom-made case            | For housing the components                  |  
+| 2x6mm screw               | 12           | Small screws for seembling the case       | Does not have to be exactly 6mm long        |  
 
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@@ -68,7 +69,7 @@ The OLED display is connected via I2C to the D1 Mini:
 
 2. **OLED Display**: Solder connections for SDA (D2, GPIO4) and SCL (D1, GPIO5) to the respective pins on the D1 Mini.  
 3. **Buttons**: Attach each button to the specified GPIO pins with pull-down resistors to ensure reliable input.  
-4. **Buzzer**: Connect the piezo buzzer to GPIO0. Ensure proper polarity.  
+4. **Buzzer**: Connect the piezo buzzer to GPIO0. Ensure proper polarity. Negative to the GPI00, Positive to 3.3v
 5. **Enclosure (Optional)**: Assemble all components in a secure housing.  
 
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