diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/debug/package.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/debug/package.scala
index 9916482a6804f1f015b3c569dfa085bae771ff73..3a174ed94c432eed384f9f129aed34e349486c02 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/debug/package.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/debug/package.scala
@@ -35,8 +35,8 @@ import org.apache.spark.sql.internal.SQLConf
  * Usage:
  * {{{
  *   import org.apache.spark.sql.execution.debug._
- *   sql("SELECT key FROM src").debug()
- *   dataFrame.typeCheck()
+ *   sql("SELECT 1").debug()
+ *   sql("SELECT 1").debugCodegen()
  * }}}
  */
 package object debug {