Update README.md

README.md

@@ -8,12 +8,13 @@ https://www.kaggle.com/competitions/jigsaw-toxic-comment-classification-challeng
 
 https://www.kaggle.com/competitions/jigsaw-toxic-comment-classification-challenge/data?select=train.csv.zip
 
-the `alt_format` directory contains an alternate format.
+the `alt_format` directory contains an alternate format intended for a tutorial.
 
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 What was done:
 - Removed extra spaces and new lines
+- Removed non-printing characters
 - Removed punctuation
 - Removed html tags and web links
 - Removed numbers
@@ -21,7 +22,7 @@ What was done:
 
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-Used as train set for Tox example here: 
+`alt_format/train.csv` used as training set for Tox example here: 
 
 https://huggingface.co/spaces/vluz/Tox