diff --git a/python/pyspark/sql/functions/builtin.py b/python/pyspark/sql/functions/builtin.py
index bca4704962f96..de6683eabef51 100644
--- a/python/pyspark/sql/functions/builtin.py
+++ b/python/pyspark/sql/functions/builtin.py
@@ -11710,6 +11710,7 @@ def unix_date(col: "ColumnOrName") -> Column:
 @_try_remote_functions
 def unix_micros(col: "ColumnOrName") -> Column:
     """Returns the number of microseconds since 1970-01-01 00:00:00 UTC.
+    Truncates higher levels of precision.
 
     .. versionadded:: 3.5.0
 
@@ -11728,6 +11729,7 @@ def unix_micros(col: "ColumnOrName") -> Column:
     :meth:`pyspark.sql.functions.unix_date`
     :meth:`pyspark.sql.functions.unix_seconds`
     :meth:`pyspark.sql.functions.unix_millis`
+    :meth:`pyspark.sql.functions.unix_nanos`
     :meth:`pyspark.sql.functions.timestamp_micros`
 
     Examples
@@ -11771,6 +11773,7 @@ def unix_millis(col: "ColumnOrName") -> Column:
     :meth:`pyspark.sql.functions.unix_date`
     :meth:`pyspark.sql.functions.unix_seconds`
     :meth:`pyspark.sql.functions.unix_micros`
+    :meth:`pyspark.sql.functions.unix_nanos`
     :meth:`pyspark.sql.functions.timestamp_millis`
 
     Examples
@@ -11865,6 +11868,7 @@ def unix_seconds(col: "ColumnOrName") -> Column:
     :meth:`pyspark.sql.functions.unix_date`
     :meth:`pyspark.sql.functions.unix_millis`
     :meth:`pyspark.sql.functions.unix_micros`
+    :meth:`pyspark.sql.functions.unix_nanos`
     :meth:`pyspark.sql.functions.from_unixtime`
     :meth:`pyspark.sql.functions.timestamp_seconds`