diff --git a/README.md b/README.md
index d9eb930..578979c 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ cd target/scala-xyz # xyz is the version of Scala installed
 ```
 ...you find a *sparkall_01.jar* file.
 
-- Sparkall uses Spark as query engine. Therefore Spark has to be installed. Download Spark from the [official website](https://spark.apache.org/downloads.html). Then configure a standalone cluster using the [official documentation page](https://spark.apache.org/docs/2.2.0/spark-standalone.html).
+- Sparkall uses Spark as query engine. Therefore Spark has to be installed beforehand. Download Spark from the [official website](https://spark.apache.org/downloads.html). Then configure a standalone cluster using the [official documentation page](https://spark.apache.org/docs/2.2.0/spark-standalone.html).
 
 - Now you can run Sparkall using `spark-submit` giving in args three files ---built using [Sparkall-GUI](https://github.com/EIS-Bonn/sparkall-gui) (see below).
 The command line looks like: