message: Updates item refs
diff: @@ -68,7 +68,7 @@ The above files should not be printed with FDM. Instead, a leaktight method like
  | 12 | 1 | RespiraWorks | N/A | N/A | *Ask first* | [3D][123d] | ROTOR - 3D printed |
  | 13 | 6in/15cm | McMaster-Carr | 5894K38 | 8.04 / 2 ft | Buy | [C][13mcmc] | **alternative to 7**, tubing 3/8" ID, 5/8" OD |
  -**WARNING: Item 7 may have to be substituted by another adapter, depending on your choice of tubing here (7 or 12) and
  +**WARNING: Item 7 may have to be substituted by another adapter, depending on your choice of tubing here (items 8 or 13) and
  your choice of pneumatic system internal diameter. Alternative adapters are listed on main [pizza page](../../4_Prototype_Assembly/Alpha_Build_Instructions/pizza_build.md)**
  [1amzn]: https://www.amazon.com/dp/B07Z1J8JWH
  