diff --git a/readme.md b/readme.md
index 6b26cf0..49537b8 100644
--- a/readme.md
+++ b/readme.md
@@ -123,4 +123,9 @@ Pattern | Fixture | Operations | Speed (ns/op)
 [godoc-image]: https://godoc.org/github.com/gobwas/glob?status.svg
 [godoc-url]: https://godoc.org/github.com/gobwas/glob
 [travis-image]: https://travis-ci.org/gobwas/glob.svg?branch=master
-[travis-url]: https://travis-ci.org/gobwas/glob
\ No newline at end of file
+[travis-url]: https://travis-ci.org/gobwas/glob
+
+## Syntax
+
+Syntax is inspired by [standard wildcards](http://tldp.org/LDP/GNU-Linux-Tools-Summary/html/x11655.htm),
+except that `**` is aka super-asterisk, that do not sensitive for separators.
\ No newline at end of file