cdn: replace BEGIN with START in region tag (#1445)

ahmetb · andrewsg · commit 2efa2445f4c2 · 2018-04-10T18:05:36.000-07:00
Signed-off-by: Ahmet Alp Balkan &lt;ahmetb@google.com&gt;
diff --git a/cdn/snippets.py b/cdn/snippets.py
@@ -30,7 +30,7 @@
 from six.moves import urllib
 
 
-# [BEGIN sign_url]
+# [START sign_url]
 def sign_url(url, key_name, base64_key, expiration_time):
     """Gets the Signed URL string for the specified URL and configuration.
 
