38 Coming up to them at that very moment, she gave thanks to God and spoke about the child to all who were looking forward to the redemption of Jerusalem.

Read Luke 2:38 Using Other Translations

And she coming in that instant gave thanks likewise unto the Lord, and spake of him to all them that looked for redemption in Jerusalem.
And coming up at that very hour she began to give thanks to God and to speak of him to all who were waiting for the redemption of Jerusalem.
She came along just as Simeon was talking with Mary and Joseph, and she began praising God. She talked about the child to everyone who had been waiting expectantly for God to rescue Jerusalem.