diff --git a/examples/stats/plot_cluster_stats_evoked.py b/examples/stats/plot_cluster_stats_evoked.py
index 63d344ca338..115466e06e7 100644
--- a/examples/stats/plot_cluster_stats_evoked.py
+++ b/examples/stats/plot_cluster_stats_evoked.py
@@ -33,7 +33,7 @@
 raw = fiff.Raw(raw_fname)
 events = mne.read_events(event_fname)
 
-channel = 'MEG 1332'
+channel = 'MEG 1332'  # include only this channel in analysis
 include = [channel]
 
 ###############################################################################