無量壽經連義述文贊 2.122

2.122

經曰「設我得佛」至「不取正覺」者，述云：第六、攝佛土願。有二：此初、形色功德願也。

Regarding the passage from the sūtra stating, "If, when I attain Buddhahood..." to "may I not attain the correct awakening": the commentary states: The sixth are the vows gathering the Buddha land. There are two: this first is the vow concerning the merit of shapes and colors.