The beginning of movies aired at the cinema or on streaming services will soon be slightly different, with changes being made to how classifications are explained.
To provide more information to people about what they are about to watch, the federal government is altering the current system.
It follows a survey of 2,000 Australians last year on their expectations around classifications.
Most people said they wanted more details about why a movie was given a specific rating, and that the reasons for those decisions should be "modernised" to reflect community sensitivities.
The classification system will now include a wider range of explanations for Australia's classification board to choose from when rating a movie.
Those explanations include animated violence, family violence, blood and gore, mental health themes and bullying.
For G-rated movies, new consumer advice includes very mild supernatural themes, very mild animated violence, very mild slapstick violence and very mild mental health themes.
New consumer advice for PG movies has been expanded to include mild action violence, mild animated violence, mild family violence and mild fantasy violence.
Additional explanations for M-rated movies include, but are not limited to, blood and gore, mental health themes, sporting violence and supernatural violence.
For MA15+ movies there are new listings such as strong animal cruelty, strong injury detail and strong comedic violence.
High-impact bullying themes, high-impact drug references and high-impact sexual themes are some of the new consumer advice warnings for R18+ films.
Aside from adding additional reasons for classifications across the different ratings, the classification sign at the beginning of a movie will now be more specific.
Under the changes, viewers will be advised of all of the reasons why a movie has been classified as G, PG, M, MA15+ or R18+.
The list will appear at the beginning of the movie alongside the rating.
Communications Minister Michelle Rowland said the survey found Australians wanted more information about what they were about the watch.
"This updated advice will ensure there are no surprises and help adults make informed decisions about the content that they, and those in their care, consume," Ms Rowland said.
Classification board director Fiona Jolly said the changes better reflect today's community standards.
"It provides helpful information enabling Australians to make informed choices, particularly in relation to content which may be of concern to them," she said.
The changes will be made this week, with viewers expected to notice the additional information from next week.
They only apply to movies, not television shows or games.
Last year's survey also found a key concern among Australians was children's access and exposure to social media and online platforms such as TikTok and YouTube.
The report said parents desired greater regulation, but did not expect content on those platforms to be classified, as they understood the difficulty around doing so.
Separately, a not-for-profit collective called Consent Labs has called on the federal government to include a new classification labelled "lack of consent".
It argues that classification explanations should highlight non-consensual acts.
However, that suggestion has not been included in the new list of classifications, which do include sex scenes, sex references, sexual themes and sexual violence.
