Titlecase

2012, Tom Christiansen, brian d foy, Larry Wall, Programming Perl: Unmatched power for text processing and scripting In ASCII, there are uppercase letters and lowercase letters, but in Unicode, there is also a third sort of case, called titlecase.

Source: wiktionary

For example, if we wanted to titlecase the BlogPost title, you would simply call the title() filter like this: <h2>{{ post.title|title }}</h2>

Source: wiktionary