Update README.md

README.md

@@ -46,7 +46,7 @@ looks like and a time estimate.
 
 7. Thread the machine with desired color for the layer on the top of the list, lower the embroidery foot, and press the green arrow button to begin.
 
-<img src="./media/machine.jpg" align= height="500">
+<img src="./media/machine.jpg" align="middle" height="500">
 
 ### Breaking Thread
 
@@ -71,4 +71,4 @@ This diamond pattern shows how you can use the different fill angles to play wit
 
 <img src="./media/diamond_sim.jpg" height="400">
 
-<img src="./media/diamond_pattern.jpg" height="400">
+<img src="./media/diamond_pattern.jpg" height="500">