Here are some of the writing techniques that you need to know when editing an article.
Pointless words/phrases[]
The word/phrases "that", "suddenly" and "all of a sudden" are considered pointless and should not be used in articles.
Example 1[]
Kevin and Jerry are fighting outside Gru's house. Suddenly, Eduardo kidnaps them with his airship.
Kevin and Jerry are fighting outside Gru's house. Eduardo kidnaps them with his airship. - Corrected
Example 2[]
Gru announces to the girls that he works with the Anti-Villain League.
Gru announces to the girls he works with the Anti-Villain League. - Corrected
Out-of-universe perspective[]
Do not write about a character from an out-of-universe perspective. However, you are allowed to do so in the Trivia and Appearances in Other Media section, or if it's intentional (eg: Minions' auditioning for the the film Minions).
Example[]
Lucy Wilde is one of the main protagonists in Despicable Me 2.
Lucy Wilde is a rookie agent of the Anti-Villain League. - Corrected
U.S. English only[]
Title says it all.
Example[]
Minions are shown to be skilful.
Minions are shown to be skillful. - Corrected
Use present tense[]
Do not use past tense unless you are talking about something that has already happened before the events taking place in the movie (eg: under "History" section in articles).
Example[]
Eduardo discovered that Gru and Lucy works for the Anti-Villain League.
Eduardo discovers that Gru and Lucy works for the Anti-Villain League. - Corrected