Update metadata

Author: wooorm

package.json

@@ -1,20 +1,30 @@
 {
   "name": "unist-util-visit",
   "version": "2.0.1",
-  "description": "Recursively walk over unist nodes",
+  "description": "unist utility to visit nodes",
   "license": "MIT",
   "keywords": [
     "unist",
+    "unist-util",
+    "util",
+    "utility",
     "remark",
-    "markdown",
     "retext",
+    "rehype",
+    "mdast",
+    "hast",
+    "xast",
+    "nlcst",
     "natural",
     "language",
+    "markdown",
+    "html",
+    "xml",
+    "tree",
+    "ast",
     "node",
     "visit",
-    "walk",
-    "util",
-    "utility"
+    "walk"
   ],
   "repository": "syntax-tree/unist-util-visit",
   "bugs": "https://github.com/syntax-tree/unist-util-visit/issues",