1 files changed, 5 insertions, 6 deletions

diff --git a/lispref/modes.texi b/lispref/modes.texi
index 12e419e8e37..3f56179231c 100644
--- a/lispref/modes.texi
+++ b/lispref/modes.texi
@@ -3079,8 +3079,8 @@ While this works well most of the time, sometimes it doesn't---for
 example, when a buffer change has changed the syntactic meaning of text
 on an earlier line.
 
-You can enlarge (or even reduce) the region to fontify by setting either
-of the following variables:
+You can enlarge (or even reduce) the region to fontify by setting @c either of
+the following variables:
 
 @defvar font-lock-extend-region-function
 This buffer-local variable is either @code{nil} or is a function that
@@ -3091,10 +3091,9 @@ The function is given three parameters, the standard @var{beg},
 @var{end}, and @var{old-len} from after-change-functions (@pxref{Change
 Hooks}).  It should return either a cons of the beginning and end buffer
 positions (in that order) of the region to fontify, or @code{nil} (which
-directs the caller to fontify the default region).  This function need
-not preserve point or the match-data, but must preserve the current
-restriction.  The region it returns may start or end in the middle of a
-line.
+directs the caller to fontify the default region).  This function needs
+to preserve point, the match-data, and the current restriction.
+The region it returns may start or end in the middle of a line.
 
 Since this function is called after every buffer change, it should be
 reasonably fast.