California Code, Streets and Highways Code - SHC § 864

(a) A statement that proceedings are being taken under this article of this code for the establishment of the boundaries of a certain section of highway, describing such section briefly.

(b) A reference to the said recorded map, by number, or map book and page, for definite information as to said boundaries.

(c) An address within the county at which objections in writing to such boundaries may be filed.

(d) A statement that failure to file such objection within six months from the date of publication of notice constitutes a waiver of any owner's rights to object to the boundaries so established.