It appears the floor is based on Prime.
You may want to consider: Minimum rate after the introductory period will be the then Prime Rate published in the Wall Street Journal.
or
these rates and terms are effective as of 2/14/2022 and subject to change without notice.
Otherwise I agree with Randy that you should be OK with the "as of" date.
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The opinions expressed are mine and they are not to be taken as legal advice.