diff --git a/Lib/statistics.py b/Lib/statistics.py
index 05edfdf98e06a8..4a0978cbcd9c89 100644
--- a/Lib/statistics.py
+++ b/Lib/statistics.py
@@ -11,6 +11,7 @@
 Function            Description
 ==================  ==================================================
 mean                Arithmetic mean (average) of data.
+fmean               Fast, floating point arithmetic mean.
 geometric_mean      Geometric mean of data.
 harmonic_mean       Harmonic mean of data.
 median              Median (middle value) of data.