message: more consistent names in reader compatibility list
diff: @@ -26,10 +26,6 @@ Below is a table that lists supported features:
  - X
  - X
  - X
  - * - Maps
  - - X
  - - X
  - - X
  * - Mixed-typed key Arrays
  -
  - X
  @@ -38,6 +34,10 @@ Below is a table that lists supported features:
  -
  - X
  -
  + * - Dictionaries
  + - X
  + - X
  + - X
  ***********************
  Extra Lua functionality
  