Fix broken URL in classic docs
Summary:
Fixes broken url by adding `classic-` prefix.
Similar to this [issue](https://github.com/facebook/relay/pull/2396) and the same problem probably exists in several places throughout the docs.
Closes
@@ -49,7 +49,7 @@ Fragments can be composed in one of two ways:
### Container.getFragment()
-Composing the fragments of child components is discussed in detail in the [Containers Guide](guides-containers.html), but here's a quick example:
+Composing the fragments of child components is discussed in detail in the [Containers Guide](classic-guides-containers.html), but here's a quick example:
```{5}
Relay.createContainer(Foo, {
