diff --git a/README.md b/README.md
index 2332dd5..1d510dd 100644
--- a/README.md
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@@ -1 +1,4 @@
-# eventdb-source
\ No newline at end of file
+# eventdb-source
+
+## Sort DSV with ;
+sort -t\; -k3n -k2n -k1n temp/stage2.csv -o temp/stage3.csv