MSRV policy update

README.md

@@ -130,7 +130,7 @@ The Rust toolchain releases are tracked at [Rust Versions](https://releases.rs)
 [semantic versioning](https://semver.org/). A Rust toolchain release can be identified
 by a version string like `1.80.0`, or more generally `major.minor.patch`.
 
-DataFusion's supports the last 4 stable Rust minor versions released and any such versions released within the last 4 months. 
+DataFusion's supports the last 4 stable Rust minor versions released and any such versions released within the last 4 months.
 
 For example, given the releases `1.78.0`, `1.79.0`, `1.80.0`, `1.80.1` and `1.81.0` DataFusion will support 1.78.0, which is 3 minor versions prior to the most minor recent `1.81`.