Updating Default Spark Version in README

Author: zavoraad

README.md

@@ -24,7 +24,7 @@ This project is built using [sbt](https://www.scala-sbt.org/1.0/docs/Setup.html)
 
 Start an sbt shell using the `sbt` command.
 
-> **FYI**: The following SBT projects are built on Spark 3.0.0/Scala 2.12.8 by default. To change the Spark version and
+> **FYI**: The following SBT projects are built on Spark 3.2.1/Scala 2.12.8 by default. To change the Spark version and
 Scala version, set the environment variables `SPARK_VERSION` and `SCALA_VERSION`.
 
 To compile the main code:
@@ -147,4 +147,4 @@ Smolder is made available under an [Apache 2.0 license](LICENSE), and we welcome
 contributions from the community. Please see our [contibutor guidance](CONTRIBUTING.md)
 for information about how to contribute to the project. To ensure that contributions
 to Smolder are properly licensed, we follow the [Developer Certificate of Origin
-(DCO)](http://developercertificate.org/) for all contributions to the project.
+(DCO)](http://developercertificate.org/) for all contributions to the project.