Update README.md

README.md

@@ -173,6 +173,10 @@ The data fields are the same among all splits.
 
 ### Data Splits
 
+Reads Rotten Tomatoes sentences and splits into 80% train, 10% validation, and 10% test, as is the practice set out in
+
+Jinfeng Li, ``TEXTBUGGER: Generating Adversarial Text Against Real-world Applications.''
+
 | name  |train|validation|test|
 |-------|----:|---------:|---:|
 |default| 8530|      1066|1066|