message: Added documentation for argument text objects
diff: @@ -397,7 +397,7 @@ moving around:
  ## Text objects (only in Visual mode or after an operator)
  | Status | Command | Description |
  -| ------------------ | ----------------- | ----------------------------------------------------------- |
  +| ------------------ | ----------------- | -------------------------------------------------------------------------------------------- |
  | :white_check_mark: | :1234: aw | Select "a word" |
  | :white_check_mark: | :1234: iw | Select "inner word" |
  | :white_check_mark: | :1234: aW | Select "a WORD" |
  @@ -422,6 +422,8 @@ moving around:
  | :white_check_mark: | :1234: i" | Select "inner double quoted string" |
  | :white_check_mark: | :1234: a` | Select "a backward quoted string" |
  | :white_check_mark: | :1234: i` | Select "inner backward quoted string" |
  +| :white_check_mark: | :1234: ia | Select "inner argument" from the [targets.vim plugin](https://github.com/wellle/targets.vim) |
  +| :white_check_mark: | :1234: aa | Select "an argument" from the [targets.vim plugin](https://github.com/wellle/targets.vim) |
  ## Repeating commands
  