changed URL index to avoid collisions below now 😁

Author: bchase

crash-course.markdown

@@ -358,7 +358,7 @@ The syntax for records differs significantly between Erlang and Elixir. Please r
 [1]: http://learnyousomeerlang.com/a-short-visit-to-common-data-structures#records
 [2]: http://elixir-lang.org/getting_started/4.html
 
-In order to translate Erlang records into Elixir records, use Record.extract(). For example, to use the `ec2_instance_spec` record from [erlcloud][3]:
+In order to translate Erlang records into Elixir records, use Record.extract(). For example, to use the `ec2_instance_spec` record from [erlcloud][8]:
 
 {% highlight ruby %}
 defrecord :ec2_instance_spec, Record.extract(:ec2_instance_spec,
@@ -373,7 +373,7 @@ new_host = :ec2_instance_spec.new(
 IO.puts inspect(new_host)
 {% endhighlight %}
 
-[3]: https://github.com/gleber/erlcloud/blob/master/include/erlcloud_ec2.hrl#L11
+[8]: https://github.com/gleber/erlcloud/blob/master/include/erlcloud_ec2.hrl#L11
 
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