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 8786d73f68a369ce83d99a783c9bc7d0f98de2a3..8d17383853a3c4ac6e3961d147eec12137aadb38 100644 (file)
--- a/Doc/reference/simple_stmts.rst
+++ b/Doc/reference/simple_stmts.rst
@@ -931,7 +931,7 @@ annotation.
 
 .. 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.