Update tortoise.md

Author: samuk

tortoise.md

@@ -29,7 +29,7 @@ Make sure you have everything with you according to this table:
 | Breadboard              | [For mounting ESP32](https://www.aliexpress.com/item/1005001704653648.html)                      | 6        |
 | Qwiic cable             | [For connecting ESP32](https://www.aliexpress.com/item/1005005796723171.html)                      | 6        |
 | 2.54mm screw terminals for breadboard         | [For connecting encoder](https://www.aliexpress.com/item/1005001677869988.html)                      | 6        |
-| Hex Spacers               | 45mm height M3 standoff](https://www.aliexpress.com/item/32539100523.html)          | 18       |
+| Hex Spacers               | [45mm height M3 standoff](https://www.aliexpress.com/item/32539100523.html)          | 18       |
 | M3 10 mm Bolts            | [Bolt pack](https://www.aliexpress.com/item/1005002046118328.html)                                          | 40       |
 | M3 25 mm Bolts            | From Bolt pack                                          | 4        |
 | M3 Nuts                   | From Bolt pack                                          | 44       |