Update README.md

Author: sco1

CAD/README.md

@@ -1,6 +1,8 @@
 # Boston Logan Control Tower
 ![cc-by-nc-sa](https://licensebuttons.net/l/by-nc-sa/3.0/88x31.png)
 
-A 3D printable mount for the SkyPortal, compatible with the original PyPortal form factor. The PyPortal is mounted to the mounting plate using M2.5 x 4mm screws (8x) & M2.5 x 6mm standoffs (4x). Also viewable on [MakerWorld](https://makerworld.com/en/models/410275)
+Also viewable on [MakerWorld](https://makerworld.com/en/models/410275)
+
+A 3D printable mount for the SkyPortal, compatible with the original PyPortal form factor. The PyPortal is mounted to the mounting plate using M2.5 x 4mm screws (4x),  M2.5 x 6mm screws (4x), and M2.5 x 6mm standoffs (4x).
 
 ![assembly-exploded](./assembly.png)