diff --git a/documentation/build_docs.md b/documentation/build_docs.md
index 0bc7d6a..d482e15 100644
--- a/documentation/build_docs.md
+++ b/documentation/build_docs.md
@@ -16,7 +16,7 @@ these are the parts you need to get. to reduce costs i sourced them through alie
 
 other bits and pieces:
 
-- xxx and yyy size screws and nuts - a few dollars (exact sizes, links etc coming soon)
+- 4x m2 and 7x m3 screws - a few dollars (exact lengths/links etc coming soon)
 
 - 8 gig or greater mircoSD card
 
@@ -56,4 +56,4 @@ other bits and pieces:
 [usb keypad]:https://www.aliexpress.com/item/2-4G-Wireless-Keyboard-USB-Numeric-Keypad-19-Keys-Mini-Digital-Keyboard-Ultra-Slim-Number-Pad/32818206308.html?spm=a2g0s.9042311.0.0.FkRWty
 [key stickers]: https://docs.google.com/document/d/1vhXv5QTfyUqsZuMdQu1lh2dMfEk5HMNVyp8uhrc-I2w/edit?usp=sharing
 [etcher]: https://etcher.io
-[dotfile] : ../dotfiles/README.md
\ No newline at end of file
+[dotfile] : ../dotfiles/README.md