bpo-38696: Fix usage example of HTTPStatus (GH-17066)

(cherry picked from commit 56698d57691af2272f695f8c17c835ed99545cde)

Co-authored-by: Ammar Askar <ammar@ammaraskar.com>
diff --git a/Doc/library/http.rst b/Doc/library/http.rst
index 8df1457..0e3441c 100644
--- a/Doc/library/http.rst
+++ b/Doc/library/http.rst
@@ -38,7 +38,7 @@
       <HTTPStatus.OK: 200>
       >>> HTTPStatus.OK == 200
       True
-      >>> http.HTTPStatus.OK.value
+      >>> HTTPStatus.OK.value
       200
       >>> HTTPStatus.OK.phrase
       'OK'