From eaee1385a084d3b5b680539974f4af1d927ddc68 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Sun, 8 May 2011 19:48:08 -0500
Subject: [PATCH] note the point of having log2

---
 Doc/library/math.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 8254d3feb3b..d68cf1157c0 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -186,7 +186,8 @@ Power and logarithmic functions
 
 .. function:: log2(x)
 
-   Return the base-2 logarithm of *x*.
+   Return the base-2 logarithm of *x*. This is usually more accurate than
+   ``log(x, 2)``.
 
    .. versionadded:: 3.3
 
-- 
2.30.9