diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 1460edd..57db7cb 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 9.1.  Last change: 2024 Jun 19
+*syntax.txt*	For Vim version 9.1.  Last change: 2024 Jun 22
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2032,6 +2032,13 @@
 supposed to be named (with respect to upper- and lowercase) and there is any
 amount of indentation, you may want to set >
 	:let java_highlight_functions="style"
+In addition, you can combine any value of "java_highlight_functions" with >
+	:let java_highlight_signature=1
+to have the name of a function with its parameter list parens distinctly
+highlighted from its type parameters, return type, and formal parameters; and
+to have the parameter list parens of a lambda expression with its arrow
+distinctly highlighted from its formal parameters or identifiers.
+
 If neither setting does work for you, but you would still want headers of
 function declarations to be highlighted, modify the current syntax definitions
 or compose new ones.