Update rules/Proj0500.md

Co-authored-by: Sjaaky <[email protected]>

Author: Corniel

rules/Proj0500.md

@@ -15,7 +15,7 @@ As Microsoft states it itself:
 > from third party package providers and is not responsible for information
 > provided by third parties.
 
-When you use packages that are only (privatly) shared without your company
+When you use packages that are only (privately) shared within your company
 those packages are advised to also come with an explicitly defined license. You
 might need to contact your legal department to define a proper license.