- 06:01, January 14, 2013 (diff | hist) . . (-592) . . Mistakes in the Harry Potter books (Muggle Born --> Muggle-born; Half-Blood --> half-blood; Sword of Gryffindor --> sword of Gryffindor; can not --> cannot; 4 days --> four days; put commas before quotes; chapter twenty-three --> Chapter 23 (and similar); horcrux --> Horcrux; misc.)
- 05:49, January 14, 2013 (diff | hist) . . (+67) . . Mistakes in the Harry Potter books (as --> since; have got --> have gotten; put commas after full dates; put chapter titles in quotes; book 5 --> Book 5; 5 years --> five years)
- 05:40, January 14, 2013 (diff | hist) . . (+35) . . Mistakes in the Harry Potter books (In the American paperback page 161 --> In the American paperback edition, on page 161, (and similar); PoA --> Prisoner of Azkaban; DADA --> Defense Against the Dark Arts; chapter 9 --> Chapter 9 (and similar); as as --> as; transfiguration --> Tra...)
- 05:27, January 14, 2013 (diff | hist) . . (+41) . . Mistakes in the Harry Potter books (inbetween quiddich -->in between Quidditch; as --> since; time-turner --> Time-Turner; put commas after full dates; spaces after ellipses)
- 05:19, January 14, 2013 (diff | hist) . . (+3) . . Mistakes in the Harry Potter books (put spaces after ellipses; his Uncle's --> his uncle's; put chapter titles in quotes; put commas before quotes; put commas after full dates; two student)
- 05:13, January 14, 2013 (diff | hist) . . (+54) . . Mistakes in the Harry Potter books (as --> since; put chapter titles in quotes; put commas after full dates; at the Slytherin vs. Gryffindor, --> at the Slytherin vs. Gryffindor match,; put commas before quotes)
- 05:00, January 14, 2013 (diff | hist) . . (+25) . . Mistakes in the Harry Potter books (Wanderings With a Werewolf --> Wanderings with a Werewolf; Weekend With a Werewolf --> Weekend with a Werewolf; The cover illustration --> The UK version of the cover illustration; Harry and Ron arrive at Hogwarts in their father's --> Ron's father's)
- 04:51, January 14, 2013 (diff | hist) . . (+11) . . Mistakes in the Harry Potter books (statment --> statement)
- 20:24, January 2, 2013 (diff | hist) . . (+7) . . Severing Charm (labeled as a Transfiguration --> labeled as a Transfiguration spell.)
- 09:10, December 22, 2012 (diff | hist) . . (-7) . . Forgetfulness Potion (Changed "simple" to "beginner" to keep continuity between all of the potions and added "</ref>" to fix some of the formatting issues.)
- 00:01, June 19, 2012 (diff | hist) . . (+5) . . Ordinary Wizarding Level (→Behind the scenes)