To Change the Wall Justification

Select the wall.
Click Wall tabCleanup panelEdit Justification.
Six grips appear, with four indicating the justification options: Left Right, Center, and Baseline. The gray grip identifies the current justification. Start and End grips for the wall segment are also displayed.
Select the grip that corresponds to the justification you want.
In the following illustration, the Baseline justification is current, as indicated by the gray grip.

Wall justification grips