Update README.md

README.md

@@ -1,6 +1,4 @@
----
-license: apache-2.0
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+
 
 # Note
 Captcha images are presented as base64 string.
@@ -35,3 +33,20 @@ About 19 thousand captcha, which consists of Russian characters and numbers from
 # Kaggle
 
 This Dataset is updated by the previous one, which I published on [Kaggle](https://www.kaggle.com/datasets/mrdaniilak/russian-captcha-images-base64)
+
+
+### Citation
+
+```
+@misc{ russian_captcha_dataset,
+    title = { Russian Captcha Dataset },
+    type = { Open Source Dataset },
+    author = { Daniil Agniashvili },
+    url = { https://huggingface.co/datasets/daniilak/russian_captcha_images/ },
+    note = { visited on 2023-02-24 },
+}
+```
+
+
+### License
+Public Domain