pyarrow link

README.md

@@ -3,8 +3,8 @@ Efficient pandas representation for nested associated datasets.
 
 Nested-Pandas extends the [pandas](https://pandas.pydata.org/) package with 
 tooling and support for nested dataframes packed into values of top-level 
-dataframe columns. Pyarrow is used intrinsically to aid in scalability and 
-performance.
+dataframe columns. [Pyarrow](https://arrow.apache.org/docs/python/index.html) 
+is used intrinsically to aid in scalability and performance.
 
 ![image](./nestedframe.png)