Clarify recent changes.

diff --git a/lispref/display.texi b/lispref/display.texi
index 5604a341c4defdc949acf71ab07c3fbf6235f590..5198657c27393aa71a8db5e1c2297673a1e34135 100644 (file)
--- a/lispref/display.texi
+++ b/lispref/display.texi
@@ -199,11 +199,10 @@ its normal size.  If the minibuffer is active, this brings the
 minibuffer contents back onto the screen immediately.
 
 @vindex message-truncate-lines
-Normally, if the message is longer than one line, the echo area is
-resized to display the message in its entirety.  But if the variable
-@code{message-truncate-lines} is bound to @code{t}, the echo area does
-not resize, and the message is truncated, as it was done in Emacs 20
-and before.
+Normally, displaying a message that is longer than one line resizes
+the echo area to display the entire message.  But if the variable
+@code{message-truncate-lines} is non-@code{nil}, the echo area does
+not resize, and the message is truncated, as in Emacs 20 and before.
 
 @example
 @group