Choose the "Bottom" option to align the text from the bottom of the frame. To evenly space text lines between the top and bottom of the frame, click the "Justify" option.

Learn how to use tab stops, not spaces, to control horizontal alignment of text in Google Docs.

There are four vertical alignments: Top, Center, Justified, and Bottom. Justified is the only one that requires any explanation; it evenly distributes the content between the top and bottom margins.