diff --git a/Core/Multilayer/KzComputation.h b/Core/Multilayer/KzComputation.h
index da6e900f3c49ce261a5e0b71535b6f943927c386..ab07db0474a30072673ad06aad8afc31aa183e5d 100644
--- a/Core/Multilayer/KzComputation.h
+++ b/Core/Multilayer/KzComputation.h
@@ -24,7 +24,7 @@ class Slice;
 
 //! Namespace containing functions for computing kz values for given multilayer and k (or kz) value
 //! on the surface of the sample.
-//! @ingroup simulation
+//! @ingroup samples_internal
 
 namespace KzComputation
 {