In 5.5.3 the javadoc's title is "spring-security-docs-manual 5.5.3 API". In 5.6.0-RC1 it is "spring-security-docs 5.6.0-RC1 API". For consistency with other projects, I think it'd be better if it was "Spring Security […] API" in each case.
In 5.5.3 the javadoc's title is "spring-security-docs-manual 5.5.3 API". In 5.6.0-RC1 it is "spring-security-docs 5.6.0-RC1 API". For consistency with other projects, I think it'd be better if it was "Spring Security […] API" in each case.