Updated Feature suggestions (markdown)

Feature-suggestions.md

@@ -28,7 +28,8 @@ quickly).
 - a ternary condition - like  ?: in C, or iif()
   - You can do: ``if cond: a else: b``, IIRC the ``?:`` won't make it into Nimrod.
 
-- a simple way of indexing the last element of an array or sequence, to avoid long-hand code like arr[arr.len-1]
+- a simple way of indexing the last element of an array or sequence, to avoid long-hand code like ``arr[arr.len-1]``
+  - You can do: ``arr[arr.high]`` or ``arr[arr.low]`` for indexing the last and first element or an array or sequence.
 
 - a shorthand way of discarding the return value of a proc  (to improve readability)