Changes to Step #28

Edit by Dave Ogles —

Edit approved by Grégoire Saunier

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[title] PSU wires warning - MK3(S)
-[* 11] Direct links to the original Prusa electronic assembly guides: [https://help.prusa3d.com/en/guide/8-electronics-assembly-b3-r2-design_73648|MK3 (B3/R2 design)], [https://help.prusa3d.com/en/guide/8-electronics-assembly-b7-r3-design_75136|MK3 (B7/R3 design)], [https://help.prusa3d.com/en/guide/8-electronics-assembly_34416|MK3S].
-[* 9] There are two versions of the PSU wires, make sure you identify where are the positive and the negative. This is extremely ***IMPORTANT***.
- [* 5] Both wires on each pair are black, ***POSITIVE WIRE*** is marked with a ***RED LINE***.
- [* 6] For each pair there is a red and black wire. ***POSITIVE WIRE*** is ***FULLY RED*** (you might still see a little black line).
-[* 9] The connectors must be oriented in the correctly when you fix them. The ***2nd image shows the CORRECT*** orientation. The 3rd image shows the wrong orientation.
+[* 11] Direct links to the original Prusa electronics assembly guides: [https://help.prusa3d.com/en/guide/8-electronics-assembly-b3-r2-design_73648|MK3 (B3/R2 design)], [https://help.prusa3d.com/en/guide/8-electronics-assembly-b7-r3-design_75136|MK3 (B7/R3 design)], [https://help.prusa3d.com/en/guide/8-electronics-assembly_34416|MK3S].
+[* 9] There are two versions of the PSU wires, make sure you identify which are the positive and the negative wires. This is extremely ***IMPORTANT***.
+ [* 5] Both wires on each pair are black, the***POSITIVE WIRE*** is marked with a ***RED LINE*** along its length.
+ [* 6] For each pair there is a red and a black wire. The ***POSITIVE WIRE*** is ***FULLY RED*** (you might still see a little black line).
+[* 9] The wire terminals must be oriented correctly when you connect them to the board. The ***2nd image shows the CORRECT*** orientation. The 3rd image shows the wrong orientation.