diff --git a/libs/image/metadata/kis_exif_info_visitor.h b/libs/image/metadata/kis_exif_info_visitor.h
index 4f9cee3ed4..e70ddd04e7 100644
--- a/libs/image/metadata/kis_exif_info_visitor.h
+++ b/libs/image/metadata/kis_exif_info_visitor.h
@@ -1,95 +1,106 @@
 /*
  *  Copyright (c) 2005 Cyrille Berger <cberger@cberger.net>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 #ifndef KIS_EXIF_INFO_VISITOR_H
 #define KIS_EXIF_INFO_VISITOR_H
 
 #include <kis_node_visitor.h>
 #include <metadata/kis_meta_data_store.h>
 #include <metadata/kis_meta_data_filter_registry_model.h>
 #include <kis_paint_layer.h>
 #include <kis_group_layer.h>
 
+/**
+ * @brief The KisExifInfoVisitor class looks for a layer with metadata.
+ *
+ * If there is more than one layer with metadata, the metadata provided
+ * by the visitor is the metadata associated with the last layer that
+ * had metadata on it. Only use the metadata if only one layer with
+ * metadata was found.
+ *
+ * The metadata pointer is OWNED by the layer.
+ *
+ */
 class KisExifInfoVisitor : public KisNodeVisitor
 {
 public:
 
     KisExifInfoVisitor() :
             m_exifInfo(0),
             m_countPaintLayer(0) { }
 public:
 
 
     bool visit(KisNode*) override {
         return true;
     }
     bool visit(KisCloneLayer*) override {
         return true;
     }
     bool visit(KisFilterMask*) override {
         return true;
     }
     bool visit(KisTransformMask*) override {
         return true;
     }
     bool visit(KisTransparencyMask*) override {
         return true;
     }
     bool visit(KisSelectionMask*) override {
         return true;
     }
     bool visit(KisColorizeMask*) override {
         return true;
     }
     bool visit(KisExternalLayer*) override {
         return true;
     }
     bool visit(KisGeneratorLayer*) override {
         return true;
     }
     bool visit(KisAdjustmentLayer*) override {
         return true;
     }
 
     bool visit(KisPaintLayer* layer) override {
         m_countPaintLayer++;
         if (!layer->metaData()->empty()) {
             m_exifInfo = layer->metaData();
         }
         return true;
     }
 
     bool visit(KisGroupLayer* layer) override {
         dbgMetaData << "Visiting on grouplayer" << layer->name() << "";
         return visitAll(layer, true);
     }
 
 
 public:
     inline uint countPaintLayer() {
         return m_countPaintLayer;
     }
     inline KisMetaData::Store* exifInfo() {
         return m_exifInfo;
     }
 private:
     KisMetaData::Store* m_exifInfo;
     uint m_countPaintLayer;
 };
 
 #endif