From 3cbfac66854277be2632cd7a438f19ce36fe1639 Mon Sep 17 00:00:00 2001
From: Ralf Stephan <ralf@ark.in-berlin.de>
Date: Thu, 19 Oct 2017 16:33:27 +0200
Subject: [PATCH] 23950: fix doctest

---
 src/sage/coding/code_bounds.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sage/coding/code_bounds.py b/src/sage/coding/code_bounds.py
index 9b7ce9788a1..0d20768572d 100644
--- a/src/sage/coding/code_bounds.py
+++ b/src/sage/coding/code_bounds.py
@@ -578,7 +578,7 @@ def entropy(x, q=2):
         sage: codes.bounds.entropy(0, 2)
         0
         sage: codes.bounds.entropy(1/5,4).factor()
-        1/10*(log(3) - 4*log(4/5) - log(1/5))/log(2)
+        1/10*(log(5) + log(3) - 4*log(4/5))/log(2)
         sage: codes.bounds.entropy(1, 3)
         log(2)/log(3)