Format command line instructions for clarity

Author: TobiasNx

getting-started.md

@@ -16,7 +16,7 @@ For a tutorial, see [metafacture-tutorial](https://metafacture.github.io/metafac
 
 ## Command line
 
-Check if Java 11 or higher is installed with java -version in your terminal. If not, install Java 11 or higher.
+Check if Java 11 or higher is installed with `java -version` in your terminal. If not, install Java 11 or higher.
 
 To use Metafacture as a command-line tool, download the latest Metafacture release from our [releases page](https://github.com/metafacture/metafacture-core/releases).