message: more PR related fixes
diff: @@ -10,10 +10,12 @@ a balloon (or pop it). These are partial instructions, and there is currently a
  you get can vary, so expect to do some tinkering to these instrutions if you are going to build you own.
  This is completely uncalibrated, so it is not intended for instrumentation just for functional observation.
  +**TODO: synchronize BOM in this page with that in simple test lung, or make that a prerequisite**
  +
  | Item | Quantity | Manufacturer | Part number | Price($) | Sources | Notes |
  -| ---- |---------:| ------------- | ------------------- | --------:|-----------------| ----- |
  -| TL1 | 1 | South Pacific | FlexLung | 30.00| [Z][TL1amzn] | Test Lung or breathing bag or equivalent, many models out there, check eBay as well |
  -| TL2 | 1 | BXI or whatever you have around| CA-BX-AP-PF | 30.00 | [Z][TL2amzn] | Just some sturdy material. Aluminum, wood, whatevery you have around. 1x 16x12 sheet needed, or 2x 8x12 sheets |
  +| ---- |---------:| --------------- | ------------------- | --------:|-----------------| ----- |
  +| TL1 | 1 | South Pacific | FlexLung | 129.00 / 5 | [Z][TL1amzn] | Test Lung or breathing bag or equivalent, many models out there, check eBay as well |
  +| TL2 | 1 | BXI or whatever | CA-BX-AP-PF | 28.95 | [Z][TL2amzn] | Just some sturdy material. Aluminum, wood, whatevery you have around. 1x 16x12 sheet needed, or 2x 8x12 sheets |
  | TL3 | 1 | Grifiti | 9-inch Silicone Huge Rubber Band | 11.00| [Z][TL3amzn] | just a big rubber band. several jumbo rubber bands or resistance tubing from an exercise device will work. |
  | TL3a | 1 | Alliance Rubber | 08997 SuperSize Bands | 7.00| [Z][TL3aamzn] | just some more big rubber bands. good for tuning the response. |
  | TL4 | 1 | whoever | literally just some zip ties | 14.00| [Z][TL4amzn] | hopefully you have some zip ties at home already but if not, here's a link |
  