message: Fix type in ROADMAP.md
diff: @@ -78,7 +78,7 @@ Now follows an exhaustive list of every known Vim command that we could find.
  | :white_check_mark: | :1234: gg | goto line N (default: first line), on the first non-blank character |
  | :white_check_mark: | :1234: % | goto line N percentage down in the file; N must be given, otherwise it is the `%` command |
  | :white_check_mark: | :1234: gk | up N screen lines (differs from "k" when line wraps) |
  -| :white_check_mark: | :1234: gj | own N screen lines (differs from "j" when line wraps) |
  +| :white_check_mark: | :1234: gj | down N screen lines (differs from "j" when line wraps) |
  ## Text object motions
  