diff --git a/docs/user-guide.md b/docs/user-guide.md
index ef93d6e615..fc4705814a 100644
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -128,9 +128,9 @@ There are two ways to add Spark configuration: setting individual Spark configur
 ```yaml
 spec:
   sparkConf:
-    "spark.ui.port": "4045"
-    "spark.eventLog.enabled": "true"
-    "spark.eventLog.dir": "hdfs://hdfs-namenode-1:8020/spark/spark-events"
+    spark.ui.port: "4045"
+    spark.eventLog.enabled: "true"
+    spark.eventLog.dir": "hdfs://hdfs-namenode-1:8020/spark/spark-events"
 ```
 
 ### Specifying Hadoop Configuration