diff --git a/0004-backport-fix-typo.patch b/0004-backport-fix-typo.patch
new file mode 100644
index 0000000000000000000000000000000000000000..036b7e64d4cc150ac2dc3f4e3be72a3b33e16a8d
--- /dev/null
+++ b/0004-backport-fix-typo.patch
@@ -0,0 +1,25 @@
+From 9921366cfeea2a51eb06c825b486c078ddca2177 Mon Sep 17 00:00:00 2001
+From: "winter.loo" <adjkldd@126.com>
+Date: Sun, 2 Jul 2023 19:57:54 +0800
+Subject: [PATCH] doc: fix typo
+
+---
+ doc/flex.texi | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/doc/flex.texi b/doc/flex.texi
+index bccab1e..12b6b0d 100644
+--- a/doc/flex.texi
++++ b/doc/flex.texi
+@@ -4499,7 +4499,7 @@ when @code{%option bison-locations} (@samp{--bison-locations}) is specified:
+ @end example
+ 
+ Support for yylval assumes that @code{YYSTYPE} is a valid type.  Support for
+-yylloc assumes that @code{YYSLYPE} is a valid type.  Typically, these types are
++yylloc assumes that @code{YYLTYPE} is a valid type.  Typically, these types are
+ generated by @code{bison}, and are included in section 1 of the @code{flex}
+ input.
+ 
+-- 
+2.9.3.windows.1
+
diff --git a/flex.spec b/flex.spec
index a90d708946945bb49ce603f9d891b4a512ad1ddb..6cd8210f1143f03a21bc7c39535dc8422b3334c3 100644
--- a/flex.spec
+++ b/flex.spec
@@ -1,6 +1,6 @@
 Name: flex
 Version: 2.6.4
-Release: 6
+Release: 7
 Summary: A fast lexical analyzer generator
 License: BSD
 URL: https://github.com/westes/flex
@@ -18,6 +18,7 @@ Patch0008: scanner-prevent-overflow-in-add_action.patch
 Patch0009: 0001-scanner-fix-default-of-yy_top_state.patch
 Patch0010: 0002-scanner-fix-default-of-yy_top_state.patch
 Patch0011: 0003-backport-Fix-pattern-documentation-for-case-insensitive-ranges.patch
+Patch0012: 0004-backport-fix-typo.patch
 
 BuildRequires: gcc gcc-c++ gettext help2man m4 bison texinfo automake autoconf
 Requires: m4
@@ -106,6 +107,9 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Fri Aug 9 2024 guojunding <guojunding@kylinos.cn> - 2.6.4-7
+- Fix typo
+
 * Tue Jul 30 2024 guojunding <guojunding@kylinos.cn> - 2.6.4-6
 - Fix pattern documentation for case-insensitive ranges