Update _posts/2020-10-19-rust-2.0.0-release.md

Co-authored-by: Mahmut Bulut <vertexclique@gmail.com>
diff --git a/_posts/2020-10-19-rust-2.0.0-release.md b/_posts/2020-10-19-rust-2.0.0-release.md
index 4bf3766..7bb9ef7 100644
--- a/_posts/2020-10-19-rust-2.0.0-release.md
+++ b/_posts/2020-10-19-rust-2.0.0-release.md
@@ -129,7 +129,7 @@
 
 ### User-defined Aggregate Functions (UDAFs)
 DataFusion now supports user-defined aggregate functions that can be used to perform operations than span multiple 
-rows, batches and partitions. UDAFs have the same generality of DataFusion’s own functions and support both row updates 
+rows, batches, and partitions. UDAFs have the same generality as DataFusion’s functions and support both row updates 
 and batch updates. You can check out [this example][5] to learn how to declare and use a UDAF.
 
 ### User-defined Constants