diff --git a/include/Overlay.hpp b/include/Overlay.hpp
index d3c8eff..0b38da4 100644
--- a/include/Overlay.hpp
+++ b/include/Overlay.hpp
@@ -13,6 +13,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 */
+/// \file Overlay.hpp
 
 #pragma once
 #include <nlohmann/json.hpp>