diff --git a/docs/configuration.md b/docs/configuration.md
index f89040d714773abd9b5125ad8b5d941bdbe49ea9..462a9d9013d9810773dbad5b4f1171ffb246d01c 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -23,7 +23,7 @@ cluster (e.g. master URL and application name), as well as arbitrary key-value p
 `set()` method. For example, we could initialize an application as follows:
 
 {% highlight scala %}
-val conf = new SparkConf
+val conf = new SparkConf()
              .setMaster("local")
              .setAppName("CountingSheep")
              .set("spark.executor.memory", "1g")