diff --git a/zproject/settings.py b/zproject/settings.py
index 85e052ea2c..14b068720c 100644
--- a/zproject/settings.py
+++ b/zproject/settings.py
@@ -258,7 +258,7 @@ LANGUAGE_CODE = 'en-us'
 # This is used so that application data can hook into specific site(s) and a
 # single database can manage content for multiple sites.
 #
-# We set this site's domain to 'zulip.com' in populate_db.
+# We set this site's string_id to 'zulip' in populate_db.
 SITE_ID = 1
 
 # If you set this to False, Django will make some optimizations so as not
diff --git a/zproject/urls.py b/zproject/urls.py
index 23cb8dc6c8..74dca22574 100644
--- a/zproject/urls.py
+++ b/zproject/urls.py
@@ -125,7 +125,7 @@ i18n_urls = [
     url(r'^register/$', zerver.views.registration.accounts_home, name='register'),
     url(r'^login/$', zerver.views.auth.login_page, {'template_name': 'zerver/login.html'}, name='zerver.views.auth.login_page'),
 
-    # A registration page that passes through the domain, for totally open realms.
+    # A registration page that passes through the Realm.string_id, for totally open realms.
     url(r'^register/(?P<realm_str>\S+)/$', zerver.views.registration.accounts_home_with_realm_str,
         name='zerver.views.registration.accounts_home_with_realm_str'),