diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index 898e2d33..92e6ef24 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -96,6 +96,8 @@
 #samples:
 #sample_retract_dist:
 #samples_result:
+#samples_tolerance:
+#samples_tolerance_retries:
 #   See the "probe" section for information on these parameters.