Fix typo in aws_networking docs (duplicate acl -> interface)

Author: radeksimko

website/source/layouts/aws.erb

@@ -154,7 +154,7 @@
 						</li>
 
 						<li<%= sidebar_current("docs-aws-resource-network-interface") %>>
-							<a href="/docs/providers/aws/r/network_interface.html">aws_network_acl</a>
+							<a href="/docs/providers/aws/r/network_interface.html">aws_network_interface</a>
 						</li>
 
 						<li<%= sidebar_current("docs-aws-resource-proxy-protocol-policy") %>>