diff --git a/python/PyQt6/core/auto_generated/editform/qgsattributeeditorrelation.sip.in b/python/PyQt6/core/auto_generated/editform/qgsattributeeditorrelation.sip.in
index d71e7a05a4d..bedee5aba35 100644
--- a/python/PyQt6/core/auto_generated/editform/qgsattributeeditorrelation.sip.in
+++ b/python/PyQt6/core/auto_generated/editform/qgsattributeeditorrelation.sip.in
@@ -38,8 +38,16 @@ This element will load a relation editor onto the form.
 
 
  QgsAttributeEditorRelation( const QString &name, const QString &relationId, QgsAttributeEditorElement *parent );
+%Docstring
+
+.. deprecated:: QGIS 3.16
+%End
 
  QgsAttributeEditorRelation( const QString &name, const QgsRelation &relation, QgsAttributeEditorElement *parent );
+%Docstring
+
+.. deprecated:: QGIS 3.16
+%End
 
     QgsAttributeEditorRelation( const QString &relationId, QgsAttributeEditorElement *parent );
 %Docstring
diff --git a/python/core/auto_generated/editform/qgsattributeeditorrelation.sip.in b/python/core/auto_generated/editform/qgsattributeeditorrelation.sip.in
index 84233638d68..681639d67de 100644
--- a/python/core/auto_generated/editform/qgsattributeeditorrelation.sip.in
+++ b/python/core/auto_generated/editform/qgsattributeeditorrelation.sip.in
@@ -38,8 +38,16 @@ This element will load a relation editor onto the form.
 
 
  QgsAttributeEditorRelation( const QString &name, const QString &relationId, QgsAttributeEditorElement *parent );
+%Docstring
+
+.. deprecated:: QGIS 3.16
+%End
 
  QgsAttributeEditorRelation( const QString &name, const QgsRelation &relation, QgsAttributeEditorElement *parent );
+%Docstring
+
+.. deprecated:: QGIS 3.16
+%End
 
     QgsAttributeEditorRelation( const QString &relationId, QgsAttributeEditorElement *parent );
 %Docstring
diff --git a/src/core/editform/qgsattributeeditorrelation.h b/src/core/editform/qgsattributeeditorrelation.h
index 4b35b0abdaa..3bacb5761c3 100644
--- a/src/core/editform/qgsattributeeditorrelation.h
+++ b/src/core/editform/qgsattributeeditorrelation.h
@@ -34,7 +34,7 @@ class CORE_EXPORT QgsAttributeEditorRelation : public QgsAttributeEditorElement
 
     /**
        * Possible buttons shown in the relation editor
-       * Deprecated since QGIS 3.18 use QgsRelationEditorWidget::Button instead
+       * \deprecated since QGIS 3.18 use QgsRelationEditorWidget::Button instead
        * \since QGIS 3.16
        */
     enum Button SIP_ENUM_BASETYPE( IntFlag )
@@ -56,6 +56,7 @@ class CORE_EXPORT QgsAttributeEditorRelation : public QgsAttributeEditorElement
     Q_FLAG( Buttons )
 
     /**
+     * \deprecated since QGIS 3.16
      */
     Q_DECL_DEPRECATED QgsAttributeEditorRelation( const QString &name, const QString &relationId, QgsAttributeEditorElement *parent )
       : QgsAttributeEditorElement( Qgis::AttributeEditorType::Relation, name, parent )
@@ -63,6 +64,7 @@ class CORE_EXPORT QgsAttributeEditorRelation : public QgsAttributeEditorElement
     {}
 
     /**
+     * \deprecated since QGIS 3.16
      */
     Q_DECL_DEPRECATED QgsAttributeEditorRelation( const QString &name, const QgsRelation &relation, QgsAttributeEditorElement *parent )
       : QgsAttributeEditorElement( Qgis::AttributeEditorType::Relation, name, parent )