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@@ -197,6 +197,10 @@ Schema:
 
 ## Subsets And Row Counts (After Filter + Query Dedup)
 
+Note: subset names keep the original `2M` / `100k` naming convention for compatibility, but
+actual row counts vary by language and can be substantially lower after quality filtering and
+query-level deduplication.
+
 | Subset (config name) | split | num_examples |
 | --- | --- | ---: |
 | `go-v1-pair-2M` | `train` | 1,541,111 |