cmd/tailscale/cli: fix typo in comment
@@ -315,7 +315,7 @@ func runUp(ctx context.Context, args []string) error {
// supports server mode, though, the transition to StateStore
// is only half complete. Only server mode uses it, and the
// Windows service (~tailscaled) is the one that computes the
- // StateKey based on the connection idenity. So for now, just
+ // StateKey based on the connection identity. So for now, just
// do as the Windows GUI's always done:
if runtime.GOOS == "windows" {
// The Windows service will set this as needed based
