diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 0688575..619046e 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 Apr 13
+*syntax.txt*	For Vim version 9.1.  Last change: 2024 Apr 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -930,6 +930,21 @@
 nasm_ctx_outside_macro	contexts outside macro not as Error
 nasm_no_warn		potentially risky syntax not as ToDo
 
+ASTRO						*astro.vim* *ft-astro-syntax*
+
+Configuration
+
+The following variables control certain syntax highlighting features.
+You can add them to your .vimrc: >
+	let g:astro_typescript = "enable"
+<
+Enables TypeScript and TSX for ".astro" files. Default Value: "disable" >
+	let g:astro_stylus = "enable"
+<
+Enables Stylus for ".astro" files. Default Value: "disable"
+
+NOTE: You need to install an external plugin to support stylus in astro files.
+
 
 ASPPERL and ASPVBS			*ft-aspperl-syntax* *ft-aspvbs-syntax*
 
@@ -6118,5 +6133,4 @@
 		many places.
 "<\@1<=span"	Matches the same, but only tries one byte before "span".
 
-
  vim:tw=78:sw=4:ts=8:noet:ft=help:norl:
diff --git a/runtime/doc/tags b/runtime/doc/tags
index cca8d6d..6ad9022 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -6051,6 +6051,7 @@
 assert_notmatch()	testing.txt	/*assert_notmatch()*
 assert_report()	testing.txt	/*assert_report()*
 assert_true()	testing.txt	/*assert_true()*
+astro.vim	syntax.txt	/*astro.vim*
 at	motion.txt	/*at*
 atan()	builtin.txt	/*atan()*
 atan2()	builtin.txt	/*atan2()*
@@ -7230,6 +7231,7 @@
 ft-asmh8300-syntax	syntax.txt	/*ft-asmh8300-syntax*
 ft-aspperl-syntax	syntax.txt	/*ft-aspperl-syntax*
 ft-aspvbs-syntax	syntax.txt	/*ft-aspvbs-syntax*
+ft-astro-syntax	syntax.txt	/*ft-astro-syntax*
 ft-awk-plugin	filetype.txt	/*ft-awk-plugin*
 ft-bash-syntax	syntax.txt	/*ft-bash-syntax*
 ft-basic-syntax	syntax.txt	/*ft-basic-syntax*