Update README.md

README.md

@@ -16,4 +16,4 @@ We also provide the [annotation guidelines](guidelines.pdf).
 
 ## Annotators : 
 
-2 Master students in Epidemiology and Statistics annotated Entities and Relations using [brat](https://brat.nlplab.org/). A third annotator (PhD Student in NLP, with basic knwoledge about clinical trials) did the adjudication. F1 Agreement is available [here](./agreement/f1-instance-agreement.md).
+2 Master students in Epidemiology and Statistics annotated Entities and Relations using [brat](https://brat.nlplab.org/). A third annotator (PhD Student in NLP, with basic knowledge about clinical trials) did the adjudication. F1 Agreement is available [here](./agreement/f1-instance-agreement.md).