diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md
index 3a313414..70807e7d 100644
--- a/docs/Config_Reference.md
+++ b/docs/Config_Reference.md
@@ -1548,8 +1548,8 @@ section of the measuring resonances guide for more information on
 #   for more details on using this feature.
 #min_freq: 5
 #   Minimum frequency to test for resonances. The default is 5 Hz.
-#max_freq: 120
-#   Maximum frequency to test for resonances. The default is 120 Hz.
+#max_freq: 133.33
+#   Maximum frequency to test for resonances. The default is 133.33 Hz.
 #accel_per_hz: 75
 #   This parameter is used to determine which acceleration to use to
 #   test a specific frequency: accel = accel_per_hz * freq. Higher the