small update README.md

diff --git a/README.md b/README.md
index 370c066dbceb25e83df4fdfdf7dc128398db34c2..dcd364104e9db3bdfae09733873a30f4ebb1ee1f 100644 (file)
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ in other regular expression implementations.
 Its features include:
 * Character encoding can be specified per regular expression object.
 * Several regular expression types are supported:
+  * Oniguruma (native)
   * POSIX
   * Grep
   * GNU Regex