diff --git a/legacy/dataframe/Readme.md b/legacy/dataframe/Readme.md
index 5f5d8da..ee0e00b 100644
--- a/legacy/dataframe/Readme.md
+++ b/legacy/dataframe/Readme.md
@@ -1,2 +1,15 @@
 
 [Notes for porting dataframe code over to a crate as part of the cratification effort](./cratification.md)
+
+Arrow / Arrow2 Integration / Merger
+
+[Combination of arrow-rs and arrow2, deprecation of arrow2 repository](https://github.com/jorgecarleitao/arrow2/issues/1429)
+
+### Refs:
+
+Ritchie Vink
+ritchie46
+arrow
+arrow2
+integration
+merger