diff --git a/apache-spark/src/main/java/com/baeldung/graphframes/GraphExperiments.java b/apache-spark/src/main/java/com/baeldung/graphframes/GraphExperiments.java
index cb5b4c7977..30524a8c8b 100644
--- a/apache-spark/src/main/java/com/baeldung/graphframes/GraphExperiments.java
+++ b/apache-spark/src/main/java/com/baeldung/graphframes/GraphExperiments.java
@@ -42,7 +42,7 @@ public class GraphExperiments {
 
     private void doGraphFrameAlgorithms(GraphFrame graph) {
 
-        graph.pageRank().maxIter(20).resetProbability(0.0001).run().vertices().show();
+        graph.pageRank().maxIter(20).resetProbability(0.15).run().vertices().show();
 
         graph.connectedComponents().run().show();
 
diff --git a/apache-spark/src/main/java/com/baeldung/graphframes/GraphLoader.java b/apache-spark/src/main/java/com/baeldung/graphframes/GraphLoader.java
index 084af4fac4..cad1fb4e26 100644
--- a/apache-spark/src/main/java/com/baeldung/graphframes/GraphLoader.java
+++ b/apache-spark/src/main/java/com/baeldung/graphframes/GraphLoader.java
@@ -27,7 +27,7 @@ public class GraphLoader {
         Path temp = Files.createTempDirectory("sparkGraphFrames");
         SparkSession session = SparkSession.builder()
             .appName("SparkGraphFrameSample")
-            .config("spark.sql.warehouse.dir", temp.toString())//"/file:C:/temp"
+            .config("spark.sql.warehouse.dir", temp.toString())
             .sparkContext(getSparkContext().sc())
             .master("local[*]")
             .getOrCreate();
diff --git a/apache-spark/src/main/java/com/baeldung/graphframes/User.java b/apache-spark/src/main/java/com/baeldung/graphframes/User.java
index 475a9c13ad..50022a1da1 100644
--- a/apache-spark/src/main/java/com/baeldung/graphframes/User.java
+++ b/apache-spark/src/main/java/com/baeldung/graphframes/User.java
@@ -22,6 +22,6 @@ public class User implements Serializable {
     
     @Override
     public String toString() {
-    	return "struct<" + id + "," + name + ">";
+        return "<" + id + "," + name + ">";
     }
 }