Fix "counting_only-paired-position_and_counting"

README.md

@@ -34,7 +34,7 @@ configs:
 - config_name: counting_only-paired-distance_and_counting
   data_files: "single_skill/counting_only-paired-distance_and_counting.parquet"
 - config_name: counting_only-paired-position_and_counting
-  data-files: "single_skill/counting_only-paired-position_and_counting.parquet"
+  data_files: "single_skill/counting_only-paired-position_and_counting.parquet"
 - config_name: distance_only
   data_files: "single_skill/distance_only.parquet"
 - config_name: position_only