Sentence:  The <WSD>Holy Spirit</WSD> is now the Spirit of Christ as it was once known by the title of the Spirit of God. 
Meaning of the word marked with <WSD> tags:  The aspect (hypostasis) of the Trinity or Godhead corresponding to divine essence present in the faithful (particularly inspired prophets) and considered to proceed either from  God the Father alone or  from Him together with God the Son.