There aren't many prayers in the LDS church that are written down or that need to be repeated word-for-word, but the two prayers blessing the sacrament are examples of ones that are. Our priests are asked to memorize them to get their Duty to God award, but it's tricky because they are similar but not identical.
So today I put together a comparison of the two that should make it easier to see and remember the differences:
Click to download a .pdf.Any other priests quorum advisors out there? Hope this helps someone.