Update README.md

Hey, I've encountered an error when tried to download your dataset regarding the repo id and found that the repo type (i.e., dataset) should be passed as a parameter and not as part of the repo id

README.md

@@ -14,14 +14,15 @@ You can read in WEC-Eng files as follows (using the **huggingface_hub** library)
 ```json
 from huggingface_hub import hf_hub_url, cached_download
 import json
-REPO_ID = "datasets/biu-nlp/WEC-Eng"
+REPO_TYPE = "datasets"
+REPO_ID = "biu-nlp/WEC-Eng"
 splits_files = ["Dev_Event_gold_mentions_validated.json",
                 "Test_Event_gold_mentions_validated.json",
                 "Train_Event_gold_mentions.json"]
 wec_eng = list()
 for split_file in splits_files:
     wec_eng.append(json.load(open(cached_download(
-        hf_hub_url(REPO_ID, split_file)), "r")))
+        hf_hub_url(REPO_ID, split_file, repo_type="REPO_TYPE")), "r")))
 ```
 
 ## Dataset Structure