Update README.md

README.md

@@ -95,6 +95,7 @@ def post_process_re_output(re_output, re_input, ner_output):
 >>> print("Sentence: ",re_ner_output["input"])
 >>> print("Entity: ", re_ner_output["entity"])
 >>> print("Relation: ", re_ner_output["relation"])
+```
 
 ### BibTeX entry and citation info