Conform with previous examples

Author: GovernmentPlates

Doc/library/tarfile.rst

@@ -1346,16 +1346,15 @@ parameter in :meth:`TarFile.add`::
     tar.add("foo", filter=reset)
     tar.close()
 
-How to create and write the archive to stdout using
+How to create and write an archive to stdout using
 :data:`sys.stdout.buffer <sys.stdout>` in the *fileobj* parameter
 in :meth:`TarFile.add`::
 
-    import tarfile
     import sys
-    files = ["foo.txt", "bar.txt", "quux.txt"]
-    with tarfile.open("sample.tar.gz", "w|gz", fileobj=sys.stdout.buffer) as tar:
-        for file in files:
-            tar.add(file)
+    import tarfile
+    with tarfile.open("sample.tar.gz", "w:gz", fileobj=sys.stdout.buffer) as tar:
+        for name in ["foo", "bar", "quux"]:
+            tar.add(name)
 
 .. _tar-formats: