diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index b596398df5..d925f94d4b 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -15193,7 +15193,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
    subquery row (including the case where the subquery returns no
    rows).
    The result is NULL if no comparison with a subquery row returns true,
-   and it returns NULL for at least one row.
+   and at least one comparison returns NULL.
   </para>
 
   <para>
@@ -15219,7 +15219,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
    (including the case where the subquery returns no rows).
    The result is <quote>false</quote> if any false result is found.
    The result is NULL if no comparison with a subquery row returns false,
-   and it returns NULL for at least one row.
+   and at least one comparison returns NULL.
   </para>
 
   <para>
@@ -15249,7 +15249,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
    The result is <quote>false</quote> if the comparison returns false for any
    subquery row.
    The result is NULL if no comparison with a subquery row returns false,
-   and it returns NULL for at least one row.
+   and at least one comparison returns NULL.
   </para>
 
   <para>