diff --git a/doc/python/2D-Histogram.md b/doc/python/2D-Histogram.md
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--- a/doc/python/2D-Histogram.md
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@@ -31,7 +31,6 @@ jupyter:
     page_type: u-guide
     permalink: python/2D-Histogram/
     redirect_from:
-    - python/2d-histogram/
     - python/2d-histograms/
     thumbnail: thumbnail/histogram2d.jpg
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diff --git a/doc/python/2d-histogram-contour.md b/doc/python/2d-histogram-contour.md
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--- a/doc/python/2d-histogram-contour.md
+++ b/doc/python/2d-histogram-contour.md
@@ -36,7 +36,7 @@ jupyter:
 
 ## 2D Histogram Contours or Density Contours
 
-A 2D histogram contour plot, also known as a density contour plot, is a 2-dimensional generalization of a [histogram](/python/histograms/) which resembles a [contour plot](/python/contour-plots/) but is computed by grouping a set of points specified by their `x` and `y` coordinates into bins, and applying an aggregation function such as `count` or `sum` (if `z` is provided) to compute the value to be used to compute contours. This kind of visualization (and the related [2D histogram, or density heatmap](/python/2d-histogram/)) is often used to manage over-plotting, or situations where showing large data sets as [scatter plots](/python/line-and-scatter/) would result in points overlapping each other and hiding patterns.
+A 2D histogram contour plot, also known as a density contour plot, is a 2-dimensional generalization of a [histogram](/python/histograms/) which resembles a [contour plot](/python/contour-plots/) but is computed by grouping a set of points specified by their `x` and `y` coordinates into bins, and applying an aggregation function such as `count` or `sum` (if `z` is provided) to compute the value to be used to compute contours. This kind of visualization (and the related [2D histogram, or density heatmap](/python/2D-Histogram/)) is often used to manage over-plotting, or situations where showing large data sets as [scatter plots](/python/line-and-scatter/) would result in points overlapping each other and hiding patterns.
 
 ## Density Contours with Plotly Express