Refactor prose

Author: wooorm

readme.md

@@ -67,8 +67,7 @@ Otherwise the same as [`unist-util-visit-parents`][vp].
 *   [`unist-util-map`](https://github.com/syntax-tree/unist-util-map)
     — Create a new tree with all nodes mapped by a given function
 *   [`unist-util-flatmap`](https://gitlab.com/staltz/unist-util-flatmap)
-    — Create a new tree by mapping (to an array) with the provided function and
-    then flattening
+    — Create a new tree by mapping (to an array) with the given function
 *   [`unist-util-remove`](https://github.com/syntax-tree/unist-util-remove)
     — Remove nodes from a tree that pass a test
 *   [`unist-util-select`](https://github.com/syntax-tree/unist-util-select)