Merge pull request MicrosoftDocs#3514 from Androds/patch-1

Added better description for -Url parameter

Author: VesaJuvonen

sharepoint/sharepoint-ps/sharepoint-pnp/New-PnPWeb.md

@@ -106,7 +106,7 @@ Accept pipeline input: False
 ```
 
 ### -Url
-The URL of the new web
+The URL of the new web relative to the site collection
 
 ```yaml
 Type: String
@@ -147,4 +147,4 @@ Accept pipeline input: False
 
 ## RELATED LINKS
 
-[SharePoint Developer Patterns and Practices](https://aka.ms/sppnp)
+[SharePoint Developer Patterns and Practices](https://aka.ms/sppnp)