Update README.md

README.md

@@ -19,6 +19,15 @@ A dataset for extracting or generating keywords for scientific texts in Russian.
 ## Dataset Structure
 
 <ul>
-  <li>abstract</li>, an abstract in a string form
-  <li>keywords</li>, a list of keyphrases provided by the authors of the paper
-</ul>
+  <li><b>abstract</b>, an abstract in a string form;</li>
+  <li><b>keywords</b>, a list of keyphrases provided by the authors of the paper.</li>
+</ul>
+
+
+![image/jpeg](https://cdn-uploads.huggingface.co/production/uploads/63776c8980c7d5df289aced7/EFWQtY-y8lkymDcAQbCsO.jpeg)
+
+## Source Data
+
+mathnet.ru and cyberleninka.ru
+
+