Fix README: correct processing statistics breakdown

README.md

@@ -95,8 +95,9 @@ The dataset was created through a multi-step processing pipeline:
 
 - **Total input examples**: 11,690
 - **Successfully processed**: 8,432 (72.1% success rate)
-- **Filtered (no test cases)**: 3,258 (27.9%)
-- **Filtered (size >10MB)**: 3,204 (27.4%)
+- **Total filtered**: 3,258 (27.9%)
+  - No test cases: 54 (0.5%)
+  - Size filtered (>10MB): 3,204 (27.4%)
 - **Processing time**: 69 minutes
 - **Configuration used**: 1x (standard difficulty)