diff --git a/plugins/pyqcustomplot/decorator.hh b/plugins/pyqcustomplot/decorator.hh
index afa776c37f5044ec7b8e00d7d8d644b250444ab8..99eb6c267c9b51c95340313ee2a70b52be64db19 100644
--- a/plugins/pyqcustomplot/decorator.hh
+++ b/plugins/pyqcustomplot/decorator.hh
@@ -75,6 +75,7 @@ class QCustomPlotDecorator : public QObject
     {
       return o->legend;
     }
+    /// \param interaction See QCP::Interaction
     void setInteraction(QCustomPlot* o, int interaction, bool enabled = true)
     {
       o->setInteraction((QCP::Interaction)interaction, enabled);