After Effects Cinema Text

In this lesson of after effects we learnt how to make cinema feel text. the first step was to add text and then centre it in the composition. once this had been done I chose the font style, size and colour. then changed the position and scale settings and by using keyframes, to make it look like it comes from the bottom of the screen and comes forward too. But as it comes up it slightly changed size where after effects has made an error with the keyframes, so i clicked on both of them and clicked keyframe interpolation and then changed the spatial interpolation to linear so it fixes the problem completely. Once this was done just duplicate the layer and change the text to the next part and makes all the text come and go to the centre of the screen.