diff --git a/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala b/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala
index 9183b0482bdc0..20293759996a9 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala
@@ -56,8 +56,8 @@ private[spark] object SQLConf {
  * A private class that enables the setting and getting of mutable config parameters/hints.
  *
  * In the presence of a SQLContext, these can be set and queried by passing SET commands
- * into Spark SQL's query functions (i.e. sql()). Otherwise, users of this trait can
- * modify the hints by programmatically calling the setters and getters of this trait.
+ * into Spark SQL's query functions (i.e. sql()). Otherwise, users of this class can
+ * modify the hints by programmatically calling the setters and getters of this class.
  *
  * SQLConf is thread-safe (internally synchronized, so safe to be used in multiple threads).
  */