[editorial] fix nodes link (#966)

Author: sadym-chromium

index.bs

@@ -290,6 +290,7 @@ spec: DOM; urlPrefix: https://dom.spec.whatwg.org/
     text: root; url: #concept-tree-root
     text: document element; url: #ref-for-dom-document-documentelement
     text: evaluate; url: #dom-xpathevaluatorbase-evaluate
+    text: nodes; url: #concept-node
     text: ORDERED_NODE_SNAPSHOT_TYPE; url: #dom-xpathresult-ordered_node_snapshot_type
     text: snapshotItem; url: #dom-xpathresult-snapshotitem
 spec: FULLSCREEN; urlPrefix: https://fullscreen.spec.whatwg.org/