From 9562c5c7b91ad89018385ff1fa1bb87afc0178a0 Mon Sep 17 00:00:00 2001
From: Nelle Varoquaux <nelle.varoquaux@gmail.com>
Date: Sat, 18 Aug 2018 12:15:27 -0700
Subject: [PATCH] Backport PR #11799: DOC: Update link to IBM's colormap
 selection paper

---
 tutorials/colors/colormaps.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tutorials/colors/colormaps.py b/tutorials/colors/colormaps.py
index 6d3b58b6a8c6..cf4f63097ea1 100644
--- a/tutorials/colors/colormaps.py
+++ b/tutorials/colors/colormaps.py
@@ -391,4 +391,4 @@ def plot_color_gradients(cmap_category, cmap_list):
 # .. [bw] http://www.tannerhelland.com/3643/grayscale-image-algorithm-vb6/
 # .. [colorblindness] http://www.color-blindness.com/
 # .. [vischeck] http://www.vischeck.com/vischeck/
-# .. [IBM] http://www.research.ibm.com/people/l/lloydt/color/color.HTM
+# .. [IBM] https://ieeexplore.ieee.org/document/480803/