--- 'Read'-class facilities. It offers an extended and much improved
--- 'Read' class, which constitutes a proposed alternative to the
--- Haskell98 'Read'. In particular, writing parsers is easier, and
+-- 'Read'-class facilities. For GHC only, it offers an extended and much
+-- improved 'Read' class, which constitutes a proposed alternative to the
+-- Haskell 98 'Read'. In particular, writing parsers is easier, and