Update README.md

README.md

@@ -67,7 +67,7 @@ An entry in the dataset consists of the following fields:
 
 ### Data Splits
 
-A `train` and `test` split is available, with the test split being 30% of the dataset, randomly sampled in a stratified fashion. There are 669 tweets in the training split and 288 in the test split.
+A `train` and `test` split is available, with the test split being 30% of the dataset, randomly sampled in a stratified fashion. There are 669 documents in the training split and 288 in the test split.
 
 ## Additional Information