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As your property is held as Joint tenants, this means that upon the first death, the property will pass automatically, through survivorship, to the surviving party.
Likewise with a joint bank account, this automatically passes to the surviving spouse on the death of the first spouse.
Therefore, your Husband does not need to revise his Will, despite the fact it may refer to you both as holding any property as tenants in common.
I hope this assists you and answers your question.
If the only "assets" your Husband has are the property and the joint account, then you would not need to go through Probate were he to go first, as these assets will pass to you automatically, through survivorship.
Hope this helps.
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