diff --git a/libavfilter/dnn_espcn.h b/libavfilter/dnn_espcn.h
index 9344aa90fe..e0013fe1dd 100644
--- a/libavfilter/dnn_espcn.h
+++ b/libavfilter/dnn_espcn.h
@@ -20,7 +20,8 @@
 
 /**
  * @file
- * Default cnn weights for x2 upscaling with espcn model.
+ * This file contains CNN weights for ESPCN model (https://arxiv.org/abs/1609.05158),
+ * auto generated by scripts provided in the repository: https://github.com/HighVoltageRocknRoll/sr.git.
  */
 
 #ifndef AVFILTER_DNN_ESPCN_H
diff --git a/libavfilter/dnn_srcnn.h b/libavfilter/dnn_srcnn.h
index 4f5332ce18..8bf563bd62 100644
--- a/libavfilter/dnn_srcnn.h
+++ b/libavfilter/dnn_srcnn.h
@@ -20,7 +20,8 @@
 
 /**
  * @file
- * Default cnn weights for x2 upscaling with srcnn model.
+ * This file contains CNN weights for SRCNN model (https://arxiv.org/abs/1501.00092),
+ * auto generated by scripts provided in the repository: https://github.com/HighVoltageRocknRoll/sr.git.
  */
 
 #ifndef AVFILTER_DNN_SRCNN_H