Update Step by Step Assembly.md

docs/machines/3DPrinter/Step by Step Assembly.md

@@ -53,7 +53,7 @@ The build instructions below are divided into two parts, namely pre-assembly and
 6. M3 shim washer (4-5)
 7. M3 Allen Key
 
-![Required Parts](pictures/XYIdler/edited/B1_XYIdler_B.jpg)*Figure 1: Parts requiered to assemble XY Idler assembly (Left)*
+![Required Parts](./pictures/XYIdler/edited/B1_XYIdler_B.jpg)*Figure 1: Parts requiered to assemble XY Idler assembly (Left)*
 
 #### Step 2 - Insert 2x M3 nuts into printed XY Idler bracket.
 
@@ -437,4 +437,4 @@ The build instructions below are divided into two parts, namely pre-assembly and
 
 <img src="Ycarriage_01.j"
      alt="Markdown Monster icon"
-     style="float: left; margin-right: 10px;" />
\ No newline at end of file
+     style="float: left; margin-right: 10px;" />