diff --git a/FiCurve.py b/FiCurve.py
index 9af9212..f3103da 100644
--- a/FiCurve.py
+++ b/FiCurve.py
@@ -359,6 +359,7 @@ class FICurveCellData(FICurve):
                     or max(time) < stim_start + stim_duration:
                 continue
             fig, ax = plt.subplots(1, 1, figsize=(8, 8))
+            ax.set_title("Stimulus value: {:.2f}".format(c))
             ax.plot(time, frequency)
             start_idx, end_idx = hF.time_window_detect_f_baseline(time[0], stim_start, sampling_interval)
             ax.plot((time[start_idx], time[end_idx]), (self.f_baseline_frequencies[i], self.f_baseline_frequencies[i]),