update columns

README.md

@@ -22,6 +22,6 @@ The deduplicated training data alone consists of 2,880,230 rows of comments and
 | [multilingual-train-deduplicated.csv](./multilingual-train-deduplicated.csv) |   416,457   |   2,463,773   |   2,880,230   |
 | [multilingual-validation.csv](./multilingual-validation.csv) |   1,230   |   6,770   |   8,000   |
 | [multilingual-test.csv](./multilingual-test.csv) |   14,410   |   49,402   |   63,812   |
-Each CSV file has three columns: text, is_toxic, and lang.
+Each CSV file has two columns: `text` and `is_toxic`.
 
 Have fun modelling!