fix typo

README.md

@@ -81,7 +81,7 @@ This diamond pattern shows how you can use the different fill angles to play wit
 
 <img src="./media/diamond_pattern.jpg" height="500">
 
-### previous projects
+### more examples
 <img src="./media/haystack_embroidery.jpg" height="400">
 
 <img src="./media/pineapple_skull.jpg" height="400">