diff --git a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
index f07e04368389f..8d30afa6cfeb7 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
@@ -1142,7 +1142,7 @@ object functions {
 
   /**
    * Generate a random column with independent and identically distributed (i.i.d.) samples
-   * from U[0.0, 1.0].
+   * from U[0.0, 1.0).
    *
    * @note This is indeterministic when data partitions are not fixed.
    *
@@ -1153,7 +1153,7 @@ object functions {
 
   /**
    * Generate a random column with independent and identically distributed (i.i.d.) samples
-   * from U[0.0, 1.0].
+   * from U[0.0, 1.0).
    *
    * @group normal_funcs
    * @since 1.4.0