diff --git a/sql/core/src/main/scala/org/apache/spark/sql/sources/filters.scala b/sql/core/src/main/scala/org/apache/spark/sql/sources/filters.scala
index e0494dfd9343b4d71e22fa8d47547efa94aca0fa..2499e9b604f3ef25ee27526fb6e85448b5234b35 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/sources/filters.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/sources/filters.scala
@@ -130,7 +130,7 @@ case class In(attribute: String, values: Array[Any]) extends Filter {
     case _ => false
   }
   override def toString: String = {
-    s"In($attribute, [${values.mkString(",")}]"
+    s"In($attribute, [${values.mkString(",")}])"
   }
 
   override def references: Array[String] = Array(attribute) ++ values.flatMap(findReferences)