Update doc as relative import can be used with star import (GH-25667) (GH-26121)

(cherry picked from commit 3d4b5f1019123a7d74801500eb18ec8fa12136bc)

Co-authored-by: Saiyang Gou <gousaiyang@163.com>

Co-authored-by: Saiyang Gou <gousaiyang@163.com>
diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst
index 3aba270..bb1209d 100644
--- a/Doc/reference/simple_stmts.rst
+++ b/Doc/reference/simple_stmts.rst
@@ -734,7 +734,7 @@
               : ("," `identifier` ["as" `identifier`])*
               : | "from" `relative_module` "import" "(" `identifier` ["as" `identifier`]
               : ("," `identifier` ["as" `identifier`])* [","] ")"
-              : | "from" `module` "import" "*"
+              : | "from" `relative_module` "import" "*"
    module: (`identifier` ".")* `identifier`
    relative_module: "."* `module` | "."+