Fix links to API methods in the code splitting article (#2892)

Author: stof

src/content/guides/code-splitting.md

@@ -163,7 +163,7 @@ Here are some other useful plugins and loaders provided by the community for spl
 
 ## Dynamic Imports
 
-Two similar techniques are supported by webpack when it comes to dynamic code splitting. The first and recommended approach is to use the [`import()` syntax](/api/module-methods#import-) that conforms to the [ECMAScript proposal](https://github.com/tc39/proposal-dynamic-import) for dynamic imports. The legacy, webpack-specific approach is to use [`require.ensure`](/api/module-methods#require-ensure). Let's try using the first of these two approaches...
+Two similar techniques are supported by webpack when it comes to dynamic code splitting. The first and recommended approach is to use the [`import()` syntax](/api/module-methods#import-1) that conforms to the [ECMAScript proposal](https://github.com/tc39/proposal-dynamic-import) for dynamic imports. The legacy, webpack-specific approach is to use [`require.ensure`](/api/module-methods#requireensure). Let's try using the first of these two approaches...
 
 W> `import()` calls use [promises](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) internally. If you use `import()` with older browsers, remember to shim `Promise` using a polyfill such as [es6-promise](https://github.com/stefanpenner/es6-promise) or [promise-polyfill](https://github.com/taylorhakes/promise-polyfill).