You can add more provisions in the miscellaneous section to make this a well-detailed agreement. This section contains all the clauses that might come under a different heading.
Certification of Member
The undersigned hereby acknowledge and agree that this operating agreement is approved by the member of this (Date) of the day (Month and Year)
[Member.FirstName][Member.LastName]
[Member.StreetAddress][Member.City][Member.State][Member.PostalCode]