diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/RFormula.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/RFormula.scala
index d9a36bda38..56169f2a01 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/feature/RFormula.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/feature/RFormula.scala
@@ -42,7 +42,7 @@ class RFormula(override val uid: String)
 
   /**
    * R formula parameter. The formula is provided in string form.
-   * @group setParam
+   * @group param
    */
   val formula: Param[String] = new Param(this, "formula", "R model formula")