diff --git a/doc/python/visualizing-mri-volume-slices.md b/doc/python/visualizing-mri-volume-slices.md
index 63bf99e0627..47a3ce84c9d 100644
--- a/doc/python/visualizing-mri-volume-slices.md
+++ b/doc/python/visualizing-mri-volume-slices.md
@@ -141,4 +141,3 @@ Here's where you can find her:
 
 #### Reference
 For additional information and help setting up a slider in an animation, see https://plotly.com/python/gapminder-example/. For more documentation on creating animations with Plotly, see https://plotly.com/python/#animations.
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