The placeholder in the template emails called [signoff], is made up of a few pieces of information gathered from your account settings.
Line 1: Kennel Admin Account - First Name
Line 2: Kennel Name (from the settings page)
Line 3: Kennel Phone (from the settings page)
Line 4: Kennel Website (from the settings page)
If you wish to change the signoff text the simplest thing to do it just remove the [signoff] placeholder and then type in whatever you wish to appear!