Fix the code snippet in README

README.md

@@ -95,16 +95,16 @@ each of the executed subsampling procedures. All subsets can be easily accessed
 ```python
 from datasets import load_dataset
 
-for split in ("random", "stepwise", "gaussian"):
+for config in ("random", "stepwise", "gaussian"):
     mc4es = load_dataset(
         "bertin-project/mc4-es-sampled",
-        "train",
-        split=split,
+        config,
+        split="train",
         streaming=True
     ).shuffle(buffer_size=1000)
     for sample in mc4es:
-        print(split, sample)
-        break
+        print(config, sample)
+        break     
 ```
 
 <figure>