Add sets to the precedence table.
diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index 9c97c6d..31a9811 100644
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -1312,6 +1312,7 @@
| ``(expressions...)``, | Binding or tuple display, |
| ``[expressions...]``, | list display, |
| ``{key:datum...}``, | dictionary display, |
+| ``{expressions...}`` | set display |
+-----------------------------------------------+-------------------------------------+