Clearly "the gospel of your salvation" is an important message and is at the heart of a very special event that occurred in the life of each person who has come to trust in the Lord. Paul says this in Eph.1:13-14
13 In whom ye also trusted, after that ye heard the word of truth, the gospel of your salvation: in whom also after that ye believed, ye were sealed with that holy Spirit of promise,
14 Which is the earnest of our inheritance until the redemption of the purchased possession, unto the praise of his glory.
There is however another gospel that...