diff --git a/README b/README
index 755db36..730b0c8 100644
--- a/README
+++ b/README
@@ -35,7 +35,7 @@ examples, which is especially useful if you are running several bots
 which share a home directory.
 
 You can obtain your Humbug API key, create bots, and manage bots all
-from your Humbug [settings page](https://humbughq.com/#settings).
+from your Humbug [settings page](https://zulip.com/#settings).
 
 A typical simple bot sending API messages will look as follows:
 
diff --git a/bots/zephyr_mirror_backend.py b/bots/zephyr_mirror_backend.py
index d81c0c3..33ce2d2 100755
--- a/bots/zephyr_mirror_backend.py
+++ b/bots/zephyr_mirror_backend.py
@@ -554,7 +554,7 @@ def forward_to_zephyr(message):
 
     heading = "Hi there! This is an automated message from Zulip."
     support_closing = """If you have any questions, please be in touch through the \
-Feedback tab or at support@humbughq.com."""
+Feedback tab or at support@zulip.com."""
 
     (code, stderr) = send_authed_zephyr(zwrite_args, wrapped_content)
     if code == 0 and stderr == "":