jsdoc fix: The argument is named object, not node

Author: Joris-van-der-Wel

lib/SymbolTree.js

@@ -178,7 +178,7 @@ class SymbolTree {
          * @param {Object} [options]
          * @param {Object} [options.root] If set, `root` must be an inclusive ancestor
          *        of the return value (or else null is returned). This check _assumes_
-         *        that `root` is also an inclusive ancestor of the given `node`
+         *        that `root` is also an inclusive ancestor of the given `object`
          * @returns {?Object}
          */
         preceding(object, options) {
@@ -212,7 +212,7 @@ class SymbolTree {
          * @param {Object} [options]
          * @param {Object} [options.root] If set, `root` must be an inclusive ancestor
          *        of the return value (or else null is returned). This check _assumes_
-         *        that `root` is also an inclusive ancestor of the given `node`
+         *        that `root` is also an inclusive ancestor of the given `object`
          * @param {Boolean} [options.skipChildren=false] If set, ignore the children of `object`
          * @returns {?Object}
          */