Minor copyedit of "Font Lock" in user manual

* doc/emacs/display.texi (Font Lock): Make the wording about
"enabling Font Lock" crystal clear.  (Bug#36529)

diff --git a/doc/emacs/display.texi b/doc/emacs/display.texi
index 435c21fe738328719817eb44fa05d80c91f17ed1..ac1ce3606b62f733ed0c71f9f3aaa5aeac17f2ef 100644 (file)
--- a/doc/emacs/display.texi
+++ b/doc/emacs/display.texi
@@ -836,10 +836,10 @@ for instance, programming language modes fontify syntactically
 relevant constructs like comments, strings, and function names.
 
 @findex font-lock-mode
-  Font Lock mode is enabled by default.  To toggle it in the current
-buffer, type @kbd{M-x font-lock-mode}.  A positive numeric argument
-unconditionally enables Font Lock mode, and a negative or zero
-argument disables it.
+  Font Lock mode is enabled by default in major modes that support it.
+To toggle it in the current buffer, type @kbd{M-x font-lock-mode}.  A
+positive numeric argument unconditionally enables Font Lock mode, and
+a negative or zero argument disables it.
 
 @findex global-font-lock-mode
 @vindex global-font-lock-mode