diff --git a/xs/src/libslic3r/Model.hpp b/xs/src/libslic3r/Model.hpp
index 11069cf62..cb2b1f793 100644
--- a/xs/src/libslic3r/Model.hpp
+++ b/xs/src/libslic3r/Model.hpp
@@ -489,8 +489,8 @@ class ModelVolume
     /// \return ModelObject* pointer to the owner ModelObject
     ModelObject* get_object() const { return this->object; };
 
-    /// Get the ModelVolume's mesh, transformed by the ModelVolume's TransformationMatrix
-    /// \param additional_trafo additional transformation
+    /// Get the ModelVolume's mesh, transformed by the argument's TransformationMatrix
+    /// \param trafo
     /// \return TriangleMesh the transformed mesh
     TriangleMesh get_transformed_mesh(TransformationMatrix const & trafo) const;