diff --git a/README.md b/README.md
index 3c25554..afdeaa3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,17 @@
 # Plotabit
 
+Dataset link: https://www.kaggle.com/datasets/fedesoriano/stellar-classification-dataset-sdss17
+
+
+## Columns
+
+|Keep         |Not sure    |Skip        |
+|:-----------:|:----------:|:----------:|
+|alpha        |field_ID    |obj_ID      |
+|delta        |            |run_ID      |
+|u            |            |rerun_ID    |
+|g            |            |plate       |
+|r            |            |MJD         |
+|i            |            |fiber_ID    |
+|z            |            |            |
+|redshift     |            |            |