The standard doclet uses the singular form "Detail" in various headings, when it would be more correct to use the plural form, "Details".

$ find open/src/jdk.javadoc -name \*.properties | xargs grep 'Detail$'
open/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties:doclet.Annotation_Type_Member_Detail=Element Detail
open/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties:doclet.Enum_Constant_Detail=Enum Constant Detail
open/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties:doclet.Field_Detail=Field Detail
open/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties:doclet.Property_Detail=Property Detail
open/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties:doclet.Method_Detail=Method Detail
open/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties:doclet.Constructor_Detail=Constructor Detail