Write 'pipeline' consistently throughout.

At one location 'Pipeline' was written and everywhere else 'pipeline', which is inconsistent, so 'Pipeline' has been changed to 'pipeline'.

Author: richy58729

Style-Guide/Function-Structure.md

@@ -80,7 +80,7 @@ function Get-USCitizenCapability {
 
 #### Always use CmdletBinding attribute.
 
-#### Always have at least a `process {}` code block if any parameters takes values from the Pipeline.
+#### Always have at least a `process {}` code block if any parameters takes values from the pipeline.
 
 #### Specify an OutputType attribute if the advanced function returns an object or collection of objects.