Doc update

doc/ref/ubjson/ubjson.md

@@ -1,7 +1,7 @@
 ### ubjson extension
 
 The ubjson extension implements encode to and decode from the [Universal Binary JSON Specification](http://ubjson.org/) data format.
-You can either encode to/decode from a variant-like structure, [basic_json](../json.md), or encode to/decode from your own
+You can either parse UBJSON into a variant-like structure, [basic_json](../json.md), or directly into your own
 data structures using [json_type_traits](../json_type_traits.md).
 
 [decode_ubjson](decode_ubjson.md)