updates on generating strings

README.md

@@ -22,9 +22,10 @@ Sketch generator allows you quickly create dummy data such as avatars, names, ge
 You can create a custom string by combining any of these options:
 - plain text (example: banana)
 - random number from range (example: [0-20] )
-- random item from an array (example: [new,used,old] )
+- random item from an array (example: [banana~apple~grapes] )
+
+An example of a combined string: $[0-999],[10-99] [new~used~old]
 
-An example of a combined string: $[0-999],[10-99] [new,used,old]
 Which would result in "$321,34 old" or "$12,75 new"