@kindex C-x r t
@findex string-rectangle
- The command @kbd{C-x r t} (@code{M-x string-rectangle}) replaces the
-rectangle with a specified string (inserted once on each line). The
-string's width need not be the same as the width of the rectangle. If
-the string's width is less, the text after the rectangle shifts left; if
-the string is wider than the rectangle, the text after the rectangle
-shifts right.
+The command @kbd{C-x r t} (@code{M-x string-rectangle}) inserts a
+string on each line of the region-rectangle before the rectangle,
+shifting text right.
+
@findex replace-rectangle
The command @kbd{M-x replace-rectangle} is similar, but replaces the
-original version.
+original rectangle. The string's width need not be the same as the
+width of the rectangle. If the string's width is less, the text after
+the rectangle shifts left; if the string is wider than the rectangle,
+the text after the rectangle shifts right.