diff --git a/python/core/raster/qgsrasterinterface.sip b/python/core/raster/qgsrasterinterface.sip
index 3a1dd6cb7d1..b8137c19e60 100644
--- a/python/core/raster/qgsrasterinterface.sip
+++ b/python/core/raster/qgsrasterinterface.sip
@@ -1,6 +1,8 @@
 
 /** \ingroup core
  * Feedback object tailored for raster block reading.
+ *
+ * @note added in QGIS 3.0
  */
 class QgsRasterBlockFeedback : QgsFeedback
 {
diff --git a/src/core/raster/qgsrasterinterface.h b/src/core/raster/qgsrasterinterface.h
index a88fa6b1bb1..0dabcfbc5b2 100644
--- a/src/core/raster/qgsrasterinterface.h
+++ b/src/core/raster/qgsrasterinterface.h
@@ -31,6 +31,8 @@
 
 /** \ingroup core
  * Feedback object tailored for raster block reading.
+ *
+ * @note added in QGIS 3.0
  */
 class CORE_EXPORT QgsRasterBlockFeedback : public QgsFeedback
 {