Update README.md

README.md

@@ -11,7 +11,8 @@ Easily view and modify JSON and JSONL datasets for training large language model
 - Supports **searching and filtering** with regex search or simple substrings search
 - Filter multiple samples by **contents, length, and number of turns**. Allows combining multiple queries for composite results.
 - Includes an **N-gram viewer** to inspect selected examples for word frequency and repetition (word cloud)
-- Allows **splitting datasets** by selecting desired subsets with different criteria.
+- Allows **splitting and merging datasets** by selecting desired subsets with different criteria.
+- Allows easy **dataset deduplication**
 - Includes a simple inline editor to modify invidual samples or correct typos.
 - Pick individual samples or bulk-combine groups of them to curate your dataset, and **save the results as a new JSON dataset**
 - Fast and efficient, comfortably handles small to medium datasets of a few hundred MB without issue