doc UPDATE schema mount info
diff --git a/src/libyang.h b/src/libyang.h
index ddf9bc3..49657f7 100644
--- a/src/libyang.h
+++ b/src/libyang.h
@@ -58,13 +58,14 @@
* - Support for [default values in the instance data](@ref howtoDataWD) ([RFC 6243](https://tools.ietf.org/html/rfc6243)).
* - Support for [YANG extensions and user types](@ref howtoPlugins).
* - Support for [YANG Metadata](@ref howtoDataMetadata) ([RFC 7952](https://tools.ietf.org/html/rfc6243)).
+ * - Support for [YANG Schema Mount](@ref howtoDataMountpoint) ([RFC 8528](https://tools.ietf.org/html/rfc8528)).
*
* 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)).
*
* @section about-license License
*
- * Copyright (c) 2015-2021 CESNET, z.s.p.o.
+ * Copyright (c) 2015-2022 CESNET, z.s.p.o.
*
* (The BSD 3-Clause License)
*
diff --git a/src/tree_data.h b/src/tree_data.h
index e6250ce..ef7ddcd 100644
--- a/src/tree_data.h
+++ b/src/tree_data.h
@@ -194,6 +194,14 @@
* - ::lyd_new_ext_term()
* - ::lyd_new_ext_any()
* - ::lyd_new_ext_path()
+ *
+ * @section howtoDataMountpoint mount-point Support
+ *
+ * [RFC 8528](https://tools.ietf.org/html/rfc8528) defines mount-point extension in ietf-yang-schema-mount YANG module.
+ * This extension is supported out-of-the-box but to be able to parse data in a mount point, additional run-time data
+ * need to be provided by a callback:
+ *
+ * - ::ly_ctx_set_ext_data_clb()
*/
/**