Fix typo in Simple Statements documentation (GH-3809)
Replace "restriction" with "restrictions".
diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst
index 8786d73..8d17383 100644
--- a/Doc/reference/simple_stmts.rst
+++ b/Doc/reference/simple_stmts.rst
@@ -931,7 +931,7 @@
.. impl-detail::
- The current implementation does not enforce some of these restriction, but
+ The current implementation does not enforce some of these restrictions, but
programs should not abuse this freedom, as future implementations may enforce
them or silently change the meaning of the program.