Translations for chronicler in French

Here are paragraphs from public domain books translated:

"Oh, a trusty comrade is always of use; and a chronicler still more so. My room at 'The Cedars' is a double-bedded one."	— Oh ! un ami sûr est toujours utile, et un chroniqueur plus encore. J’ai, aux Cèdres, une chambre à deux lits.
The Adventures of Sherlock Holmes, by Arthur Conan Doyle	Les Aventures de Sherlock Holmes, de Arthur Conan Doyle