add name assignment config

Change-Id: I7a67759c50ed9986a8bcf6db814c372a0ee418d5
diff --git a/src/name-assignments/assignment-funcs.hpp b/src/name-assignments/assignment-funcs.hpp
index e42299c..bef3de1 100644
--- a/src/name-assignments/assignment-funcs.hpp
+++ b/src/name-assignments/assignment-funcs.hpp
@@ -47,7 +47,7 @@
   isChallengeSupported(const std::string& challengeType);
 
   static unique_ptr<NameAssignmentFuncFactory>
-  createNameAssignmentFuncFactories(const std::string& challengeType);
+  createNameAssignmentFuncFactory(const std::string& challengeType);
 
   virtual NameAssignmentFunc
   getFunction(const std::string& factoryParam) = 0;