Wyo. Stat. Ann. § 2-18-105
An instrument revoking a transfer on death deed is sufficient if it complies with other applicable law and is in substantially the following form:
The undersigned hereby revokes the transfer on death deed recorded on ... (date), in deed book ... on page ..., in the office of the clerk of ... county, Wyoming, concerning the following described real property:
(Legal Description)
Dated this ... day of ... (year).
...
(Signature of grantor(s))
(Acknowledgment)