slight update

_episodes/04-channels.md

@@ -54,8 +54,6 @@ Queue channels are a type of channel in which data is consumed (used up) to make
 > In DSL2 we can use a queue channel multiple times.
 {: .callout}
 
-We can create a scratch Nextflow script for testing out the code examples below, then use `nextflow run` to see the output.
-
 ### Value channels
 
 The second type of Nextflow channel is a `value` channel. A **value** channel is bound to a **single** value. A value channel can be used an unlimited number times since its content is not consumed. This is also useful for processes that need to reuse input from a channel, for example, a reference genome sequence file that is required by multiple steps within a process, or by more than one process.
@@ -89,6 +87,8 @@ of a `Channel`.
 
 ### The value Channel factory
 
+We can create a scratch Nextflow script for testing out the code examples below, then use `nextflow run` to see the output.
+
 The `value` factory method is used to create a value channel.
 Values are put inside  parentheses `()`  to assign them to a channel.