Merge branch 'bc/worktree-doc-fix-detached'

Doc update.

* bc/worktree-doc-fix-detached:
  Documentation: correctly spell git worktree --detach

Documentation/git-worktree.txt

@@ -52,7 +52,7 @@ is linked to the current repository, sharing everything except working
 directory specific files such as HEAD, index, etc. `-` may also be
 specified as `<branch>`; it is synonymous with `@{-1}`.
 +
-If `<branch>` is omitted and neither `-b` nor `-B` nor `--detached` used,
+If `<branch>` is omitted and neither `-b` nor `-B` nor `--detach` used,
 then, as a convenience, a new branch based at HEAD is created automatically,
 as if `-b $(basename <path>)` was specified.