diff --git a/python/pyspark/sql/functions.py b/python/pyspark/sql/functions.py
index 86a88a5bf341e..4af5d1f484ee4 100644
--- a/python/pyspark/sql/functions.py
+++ b/python/pyspark/sql/functions.py
@@ -3527,7 +3527,7 @@ def schema_of_json(json, options={}):
     Parameters
     ----------
     json : :class:`Column` or str
-        a JSON string or a string literal containing a JSON string.
+        a JSON string or a foldable string column containing a JSON string.
     options : dict, optional
         options to control parsing. accepts the same options as the JSON datasource
 
@@ -3564,7 +3564,7 @@ def schema_of_csv(csv, options={}):
     Parameters
     ----------
     csv : :class:`Column` or str
-        a CSV string or a string literal containing a CSV string.
+        a CSV string or a foldable string column containing a CSV string.
     options : dict, optional
         options to control parsing. accepts the same options as the CSV datasource
 
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 8d6281882f188..5dc1c6b5b49fc 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
@@ -4151,7 +4151,7 @@ object functions {
   /**
    * Parses a JSON string and infers its schema in DDL format.
    *
-   * @param json a string literal containing a JSON string.
+   * @param json a foldable string column containing a JSON string.
    *
    * @group collection_funcs
    * @since 2.4.0
@@ -4161,7 +4161,7 @@ object functions {
   /**
    * Parses a JSON string and infers its schema in DDL format using options.
    *
-   * @param json a string column containing JSON data.
+   * @param json a foldable string column containing JSON data.
    * @param options options to control how the json is parsed. accepts the same options and the
    *                json data source. See [[DataFrameReader#json]].
    * @return a column with string literal containing schema in DDL format.
@@ -4426,7 +4426,7 @@ object functions {
   /**
    * Parses a CSV string and infers its schema in DDL format.
    *
-   * @param csv a string literal containing a CSV string.
+   * @param csv a foldable string column containing a CSV string.
    *
    * @group collection_funcs
    * @since 3.0.0
@@ -4436,7 +4436,7 @@ object functions {
   /**
    * Parses a CSV string and infers its schema in DDL format using options.
    *
-   * @param csv a string literal containing a CSV string.
+   * @param csv a foldable string column containing a CSV string.
    * @param options options to control how the CSV is parsed. accepts the same options and the
    *                json data source. See [[DataFrameReader#csv]].
    * @return a column with string literal containing schema in DDL format.