diff --git a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
index 091ca35283f126a89d3aa817bcea618a9bab1213..4a3ad662a0d3f4569c2643a53ada4aeb3f183a31 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
@@ -1300,7 +1300,7 @@ object ALS extends DefaultParamsReadable[ALS] with Logging {
   }
 
   /**
-   * Partitioner used by ALS. We requires that getPartition is a projection. That is, for any key k,
+   * Partitioner used by ALS. We require that getPartition is a projection. That is, for any key k,
    * we have getPartition(getPartition(k)) = getPartition(k). Since the default HashPartitioner
    * satisfies this requirement, we simply use a type alias here.
    */