Add title to node-gyp version document (#2452)

* Add title to node-gyp version document

* Update Updating-npm-bundled-node-gyp.md

Author: cclauss

docs/Updating-npm-bundled-node-gyp.md

@@ -1,5 +1,10 @@
+# Updating the npm-bundled version of node-gyp
+
+[Many issues](https://github.com/nodejs/node-gyp/labels/ERR%21%20node-gyp%20-v%20%3C%3D%20v5.1.0) are opened by users who are
+not running a [current version of node-gyp](https://github.com/nodejs/node-gyp/releases).
+
 `npm` bundles its own, internal, copy of `node-gyp`. This internal copy is independent of any globally installed copy of node-gyp that
-you may have installed via `npm install -g node-gyp`.
+may have been installed via `npm install -g node-gyp`.
 
 This means that while `node-gyp` doesn't get installed into your `$PATH` by default, npm still keeps its own copy to invoke when you
 attempt to `npm install` a native add-on.
@@ -60,4 +65,4 @@ cd node_modules\npm\node_modules\npm-lifecycle
 Finish by running:
 ```bash
 $ npm install node-gyp@latest
-```
+```