Added description to comment based help

Get-GitPullRequestLocal/Get-GitPullRequestLocal.ps1

@@ -3,6 +3,9 @@ Function Get-GitPullRequestLocal {
 .SYNOPSIS
 Helper function that creates folder, clones single branch based of a GitHub pull request uri
 
+.DESCRIPTION
+This function is created to simplify working with pull requests. In order to get all the files on tbe local system in an organized method, I decided to group together these commands.
+
 .EXAMPLE
 Get-GitPullRequestLocal -Uri https://github.com/jaapbrasser/SharedScripts/pull/29
 
@@ -37,4 +40,4 @@ Will create a folder in C:\Temp named after the PR number, and clone the specifi
         # Retrieve status of the current branch
         git status
     } catch {}
-}
+}