Updated README title to movement-sample-data

README.md

@@ -1,6 +1,6 @@
-# movement-test-data
+# movement-sample-data
 
-Sampe data for testing the movement Python package
+Sample data used in tests and examples of the `movement` Python package.
 - [GitHub repository](https://github.com/neuroinformatics-unit/movement)
 - [Documentation](https://movement.neuroinformatics.dev/)