Fix link

README.md

@@ -94,6 +94,7 @@ These plugins help with project development.
 [mockitocore-link]: https://site.mockito.org/
 [tcont-jdbc-link]: https://www.testcontainers.org/modules/databases/jdbc/
 [tcont-scala-link]: https://github.com/testcontainers/testcontainers-scala
+[spark-testing-base]: https://github.com/holdenk/spark-testing-base
 [sbt-coursier-link]: https://github.com/coursier/coursier
 [sbt-wartremover-link]: http://github.com/puffnfresh/wartremover
 [sbt-wcontrib-link]: http://github.com/wartremover/wartremover-contrib

doc/user_guide/user_guide.md

@@ -93,8 +93,8 @@ spark-shell \
   --packages com.exasol:spark-connector_2.12:<VERSION>
 ```
 
-The `spark-shell` provide Read-Eval-Print-Loop (REPL) to interactively learn the
-API.
+The `spark-shell` provide Read-Eval-Print-Loop (REPL) to interactively learn and
+experiment with the API.
 
 ### Spark Exasol Connector With Spark Submit
 
@@ -289,7 +289,7 @@ several separate queries.
 
 Create a dataframe from the query result:
 
-```
+```scala
 val df = sparkSession
   .read
   .format("exasol")
@@ -330,7 +330,7 @@ val groupedDF = transformedDF
 
 You can also save the Spark dataframe into an Exasol table:
 
-```
+```scala
 groupedDF
   .write
   .mode("overwrite")