This paper considers issues in customising descriptions of English grammar in the context of creating an electronic database for secondary school teachers in Hong Kong. In developing the database, we have aimed to incorporate insights from functional grammar and corpus linguistics while keeping the information accessible and relevant to teachers familiar only with traditional approaches to grammar. This has involved exploiting the advantages of hypertext, explicitly foregrounding pedagogical concerns and developing a metalanguage that will allow discussion of areas such as transitivity and theme without alienating the teacher-users. We illustrate the kinds of compromises that are necessary in order to match the linguistic information to the needs and existing knowledge of the teacher-users.[Copyright of Language Awareness is the property of Routledge. Full article may be available at the publisher's website: http://dx.doi.org/10.1080/09658410008667134]