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 e4109da08e0a43ff6f2fad6b89e808dacc5f3000..abcfc0b65020c96feee899cc917c68d67b85dfc5 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
@@ -1581,7 +1581,7 @@ object functions {
 
   /**
    * Computes the length of a given string value.
-   * 
+   *
    * @group string_funcs
    * @since 1.5.0
    */
@@ -1589,7 +1589,7 @@ object functions {
 
   /**
    * Computes the length of a given string column.
-   * 
+   *
    * @group string_funcs
    * @since 1.5.0
    */