O'Brian said that in the past 200 years since the Vulcans encountered a similar anomaly pulse-wave technology has improved a lot. However Jadzi said that this anomaly was encountered in the mid 23rd century, which was 100 years prior to the events of Deep Space Nine, not 200.
Dr. Bashir says that he might have an allergic reaction to the "replimated" antipasto. He probably meant to say either the "replicated" antipasto or the antipasto from the replimat.
At about 10 minutes, the Rumpelstiltskin illusion reacts to the two security officers, saying "Ah, the local constabularies." He should have said "constabulary" (singular) or "constables" (plural). The first word refers to the organization, the second word refers to the individuals in that organization.