More generic license

README.md

@@ -1,5 +1,5 @@
 ---
-license: cc-by-nc-3.0
+license: cc
 task_categories:
 - question-answering
 language:
@@ -61,4 +61,4 @@ The questions were collected from publicly available sample tests provided by th
 The source data was created by the Estonian Education and Youth Board as part of their official materials to assist non-native speakers in preparing for the language proficiency exams.
 
 ## Bias, Risks, and Limitations
-The dataset primarily focuses on language skills without cultural or historical context, which may limit its applicability in broader educational settings that require a more comprehensive understanding of Estonian culture or society.
+The dataset primarily focuses on language skills without cultural or historical context, which may limit its applicability in broader educational settings that require a more comprehensive understanding of Estonian culture or society.