diff --git a/include/VariantVisitors.hpp b/include/VariantVisitors.hpp
index 87991a4..b8ce5b2 100644
--- a/include/VariantVisitors.hpp
+++ b/include/VariantVisitors.hpp
@@ -13,6 +13,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 */
+/// \file VariantVisitors.hpp
 
 #pragma once
 #include <stdexcept>