Update README.md

README.md

@@ -5,7 +5,7 @@ language_creators:
 - other
 languages:
 - en
-licenses: []
+licenses: [cc-by-4.0]
 multilinguality:
 - monolingual
 pretty_name: twitter covid19 tweets
@@ -19,6 +19,7 @@ task_ids:
 - sentiment-classification
 - intent-classification
 ---
+# Dataset Card for COVID-19-vaccine-attitude-tweets
 ## Dataset Description
 
 - **Paper:** [Be Careful Who You Follow. The Impact of the Initial Set of Friends on COVID-19 Vaccine tweets](https://www.researchgate.net/publication/355726080_Be_Careful_Who_You_Follow_The_Impact_of_the_Initial_Set_of_Friends_on_COVID-19_Vaccine_Tweets)
@@ -206,9 +207,8 @@ The research leading to these results has received funding from the EEA Financia
 We would like to cordially thank the [members of the #WebImmunization project](https://webimmunization.cm-uj.krakow.pl/en/team/)  for helping with data annotation.
 
 
-### References
+## References
 
 [1]: Joseph L Fleiss. Measuring nominal scale agreement among many raters.Psychological bulletin, 76(5):378, 1971.
 
-[2]: J Richard Landis and Gary G Koch. The measurement of observer agreement for categorical data. biometrics, pages 159–174, 1977.
-## Additional Information
+[2]: J Richard Landis and Gary G Koch. The measurement of observer agreement for categorical data. biometrics, pages 159–174, 1977.