diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/merging/MergerBase.h b/hoot-core/src/main/cpp/hoot/core/conflate/merging/MergerBase.h
index 764aa62..ebbb4a6 100644
--- a/hoot-core/src/main/cpp/hoot/core/conflate/merging/MergerBase.h
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/merging/MergerBase.h
@@ -45,8 +45,14 @@ public:
virtual std::set<ElementId> getImpactedElementIds() const override;
+ /**
+ * @see Merger
+ */
virtual bool isValid(const ConstOsmMapPtr& map) const;
+ /**
+ * @see Merger
+ */
virtual void replace(ElementId oldEid, ElementId newEid);
protected: