Okla. Stat. tit. 12, § 12-1148.4: Issuance and return of summons - Content - Amending

pleading to conform to evidence.

The summons shall be issued and returned as in other cases,

except that it shall command the sheriff, or other person serving

it, to summon the defendant to appear for trial at the time and

place specified therein, which time shall be not less than five (5)

days nor more than ten (10) days from the date that the summons is

issued. The summons shall apprise the defendant of the nature of the

claim that is being asserted against him; and there shall be

endorsed upon the summons the relief sought and the amount for which

the plaintiff will take judgment if the defendant fails to appear.

In all cases, pleadings may be amended to conform to the evidence.