Update README.md

README.md

@@ -5,12 +5,10 @@ It consists of 6 different types of fasteners.
 Each type is represented by 150 objects, making a total of 900 objects.
 
 Grouping:
-id 1-150: blind rivets
 
+id 1-150: blind rivets
 id 151-300: clip nuts
-
 id 301-450: nuts
-
 id 451-600: screws
 id 601-750: spread rivets
 id 751-900: fir tree clips