improve wording of a comment in tree_checkout()
diff --git a/lib/worktree.c b/lib/worktree.c
index 82b3c5f..a4c0065 100644
--- a/lib/worktree.c
+++ b/lib/worktree.c
@@ -860,7 +860,7 @@ tree_checkout(struct got_worktree *worktree,
struct got_tree_entry *te;
size_t len;
- /* Skip this tree if it is outside of our path prefix. */
+ /* Skip this tree if it shares no path components with the prefix. */
len = MIN(strlen(worktree->path_prefix), strlen(path));
if (strncmp(path, worktree->path_prefix, len) != 0)
return NULL;