The amending treaties were necessary because the Pomeranian nobility had insisted on having the shift in military control of the duchy to Sweden separate from the Swedish-Pomeranian alliance.
Perjanjian amendemen diperlukan karena bangsawan Pommern bersikeras untuk memiliki pergeseran kontrol militer terhadap kadipaten ke Swedia yang terpisah dari aliansi Swedia-Pommern.