@vindex hscroll-margin
The variable @code{hscroll-margin} controls how close point can get
-to the window's edges before the window is automatically scrolled. It
+to the window's edges before automatic scrolling occurs. It
is measured in columns. If the value is 5, then moving point within 5
-columns of the edge causes horizontal scrolling away from that edge.
+columns of an edge causes horizontal scrolling away from that edge.
@vindex hscroll-step
The variable @code{hscroll-step} determines how many columns to