diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 0c2ecae..94a5d3d 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 May 24
+*syntax.txt*	For Vim version 9.1.  Last change: 2024 May 31
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -3048,6 +3048,13 @@
 	let rrst_syn_hl_chunk = 1
 
 
+RASI					*rasi.vim* *ft-rasi-syntax*
+
+Rasi stands for Rofi Advanced Style Information. It is used by the program
+|rofi| to style the rendering of the search window. The language is heavily
+inspired by CSS stylesheet. Files with the following extensions are recognized
+as rasi files: .rasi.
+
 READLINE				*readline.vim* *ft-readline-syntax*
 
 The readline library is primarily used by the BASH shell, which adds quite a