Comment: This below explains it better

http://www.unalienable.com/unalien.htm

Unalienable rights are rights that are natural rights born with every man, woman or child. Life Liberty and the Pursuit of Happiness from which many of the Bill of Rights come from. You cannot do away with these rights. You cannot sign these rights away by contract or verbal agreement. You cannot sell these rights nor give them away.

Inalienable rights are seen as transferable by you.

As Parker explains to you on the 2cd Amendment, it is an Unalienable right, it stems from your right to Life, Liberty and Pursuit of Happiness.

Edit: Make up your own mind here but I find it curious that they'd do this. I personally think, because of the differences in legal meanings, it was intentional but that's just me.

This was taken, I believe at the Thomas Jefferson Memorial in D.C.

http://tinypic.com/r/34hzc5x/5