Merge branch 'nd/worktree-lock' into maint

Typofix.

* nd/worktree-lock:
  git-worktree.txt: fix typo "to"/"two", and add comma

Documentation/git-worktree.txt

@@ -133,7 +133,7 @@ OPTIONS
 +
 If the last path components in the working tree's path is unique among
 working trees, it can be used to identify worktrees. For example if
-you only have to working trees at "/abc/def/ghi" and "/abc/def/ggg",
+you only have two working trees, at "/abc/def/ghi" and "/abc/def/ggg",
 then "ghi" or "def/ghi" is enough to point to the former working tree.
 
 DETAILS