diff --git a/NumLib/ODESolver/ConvergenceCriterionPerComponentResidual.h b/NumLib/ODESolver/ConvergenceCriterionPerComponentResidual.h
index 2c7c36a434398057e320aaf8e718926877884775..03139af1ed3ce35de808e0794f34bf879d686e6a 100644
--- a/NumLib/ODESolver/ConvergenceCriterionPerComponentResidual.h
+++ b/NumLib/ODESolver/ConvergenceCriterionPerComponentResidual.h
@@ -36,6 +36,8 @@ public:
     bool hasDeltaXCheck() const override { return true; }
     bool hasResidualCheck() const override { return true; }
 
+    /// The function will only do diagnostic output and no actual check of the
+    /// solution increment is made
     void checkDeltaX(const GlobalVector& minus_delta_x,
                      GlobalVector const& x) override;
     void checkResidual(const GlobalVector& residual) override;