diff --git a/6-NLP/4-Hotel-Reviews-1/README.md b/6-NLP/4-Hotel-Reviews-1/README.md
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--- a/6-NLP/4-Hotel-Reviews-1/README.md
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 In this section you will use the techniques in the previous lessons to do some exploratory data analysis of a large dataset. Once you have a good understanding of the usefulness of the various columns, you will learn: 
 
-- how to remove the not needed columns
+- how to remove the unnecessary columns
 - how to calculate some new data based on the existing columns
 - how to save the resulting dataset for use in the final challenge