diff --git a/Core/Multilayer/ISpecularStrategy.cpp b/Core/Multilayer/ISpecularStrategy.cpp
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/Core/Multilayer/ISpecularStrategy.h b/Core/Multilayer/ISpecularStrategy.h
index 3bd1fe156b09ccb614b67decdd5a8b181327d9ce..3df63acf9fd3cb523d20874cc36dda5c0e73756f 100644
--- a/Core/Multilayer/ISpecularStrategy.h
+++ b/Core/Multilayer/ISpecularStrategy.h
@@ -3,7 +3,7 @@
 //  BornAgain: simulate and fit scattering at grazing incidence
 //
 //! @file      Core/Multilayer/ISpecularStrategy.h
-//! @brief     Defines class ISpecularStrategy.
+//! @brief     Defines and implements class ISpecularStrategy.
 //!
 //! @homepage  http://www.bornagainproject.org
 //! @license   GNU General Public License v3 or higher (see COPYING)