1 files changed, 3 insertions, 1 deletions

diff --git a/doc/lispref/windows.texi b/doc/lispref/windows.texi
index 9740bbebf2c..ae6837b444f 100644
--- a/doc/lispref/windows.texi
+++ b/doc/lispref/windows.texi
@@ -4154,7 +4154,9 @@ If @var{count} is @code{nil} (or a non-@code{nil} list),
 @code{recenter} puts the line containing point in the middle of the
 window.  If @var{count} is @code{nil} and @var{redisplay} is
 non-@code{nil}, this function may redraw the frame, according to the
-value of @code{recenter-redisplay}.
+value of @code{recenter-redisplay}.  Thus, omitting the second
+argument can be used to countermand the effect of
+@code{recenter-redisplay} being non-@code{nil}.
 
 When @code{recenter} is called interactively, @var{count} is the raw
 prefix argument.  Thus, typing @kbd{C-u} as the prefix sets the