Update README.md

Author: NeVeSpl

README.md

@@ -24,8 +24,7 @@ What **eNhancedEdition** has to offer, that is not available in the NetArchTest
      - [Slices](#slices)
      - BenMorris/NetArchTest#67 - added rules: AreOfType, AreNotOfType
      - BenMorris/NetArchTest#97 - added rules: HaveSourceFileNameMatchingName, HaveSourceFilePathMatchingNamespace
-     - BenMorris/NetArchTest#100 - added rules: AreImmutable, AreImmutableExternally
-     - BenMorris/NetArchTest#100 - added rules: AreStateless, BeStateless
+     - BenMorris/NetArchTest#100 - added rules: AreImmutable, AreImmutableExternally, AreStateless
      - BenMorris/NetArchTest#104 - added rule: HaveMatchingTypeWithName
      - BenMorris/NetArchTest#105 - dependency search functions: HaveDependencyOnAny/OnlyHaveDependencyOn explain why a type fails test through [IType.Explanation](documentation/api.md#itypeexplanation) 
      - BenMorris/NetArchTest#126 - added rules for structs, enums and delegates