Update rna transcription blurb · exercism/problem-specifications@2e6f2ed · GitHub couldn’t access these three links, but I pasted them in a browser and had no trouble accessing them. Should we substitute Wayback Machine URLs so the CI passes?
https://coderanch.com/wiki/718804
https://coderanch.com/wiki/718824/Grains
https://coderanch.com/t/718816/Leap