diff --git a/open-machine-learning-jupyter-book/data-science/working-with-data/data-preparation.ipynb b/open-machine-learning-jupyter-book/data-science/working-with-data/data-preparation.ipynb
index 2db2d17e4d..5ef5816e59 100644
--- a/open-machine-learning-jupyter-book/data-science/working-with-data/data-preparation.ipynb
+++ b/open-machine-learning-jupyter-book/data-science/working-with-data/data-preparation.ipynb
@@ -2,9 +2,8 @@
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