Update rules/Proj0500.md

Co-authored-by: Laura Kramer <[email protected]>

Author: CptWesley

rules/Proj0500.md

@@ -6,7 +6,7 @@ ancestor: Rules
 # Proj0500: Only include packages with an explicitly defined license
 Using a [NuGet](https://www.nuget.org) (third-party) package implies that you
 and/or your company explicitly agree with the legally binding conditions of the
-license and the copyright of the onwer of the package.
+license and the copyright of the owner of the package.
 
 As Microsoft states it itself:
 > If a package does not specify the licensing terms, contact the package owner