doc MAINTENANCE fix link to RFC 7950
diff --git a/src/libyang.h b/src/libyang.h
index 73b3dd2..925f151 100644
--- a/src/libyang.h
+++ b/src/libyang.h
@@ -41,8 +41,8 @@
  * - Manipulation with the instance data.
  * - Support for default values in the instance data ([RFC 6243](https://tools.ietf.org/html/rfc6243)).
  *
- * The current implementation covers YANG 1.0 [RFC 6020](https://tools.ietf.org/html/rfc6020) as well as
- * [YANG 1.1](https://tools.ietf.org/html/rfc7950).
+ * The current implementation covers YANG 1.0 ([RFC 6020](https://tools.ietf.org/html/rfc6020)) as well as
+ * YANG 1.1 ([RFC 7950](https://tools.ietf.org/html/rfc7950)).
  *
  * @subsection about-features-others Extra (side-effect) Features
  *