diff --git a/src/include/uhttp/str.h b/src/include/uhttp/str.h
index 1460f83..31b5d97 100755
--- a/src/include/uhttp/str.h
+++ b/src/include/uhttp/str.h
@@ -1,26 +1,26 @@
-/*
- * Copyright (C) 2017  Jianhui Zhao <jianhuizhao329@gmail.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
- 
-#ifndef _UHTTP_STR_H
-#define _UHTTP_STR_H
-
-struct uh_str {
+/*
+ * Copyright (C) 2017  Jianhui Zhao <jianhuizhao329@gmail.com>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+#ifndef _UHTTP_STR_H
+#define _UHTTP_STR_H
+
+struct uh_str {
     const char *at;
     size_t len;
-};
-
-#endif
+};
+
+#endif