diff --git a/README.md b/README.md
index cfeb2970..f0e2a755 100644
--- a/README.md
+++ b/README.md
@@ -124,7 +124,7 @@ create the following settings before pushing:
     heroku config:set DJANGO_SETTINGS_MODULE=babybuddy.settings.heroku
     heroku config:set SECRET_KEY=<CHANGE TO SOMETHING RANDOM>
     heroku config:set DISABLE_COLLECTSTATIC=1
-    heroku config:set TIME_ZONE=<YOUR DESIRED TIMEZONE>
+    heroku config:set TIME_ZONE=<DESIRED DEFAULT TIMEZONE>
 
 See [Configuration](#configuration) for other settings that can be controlled
 by `heroku config:set`.
@@ -365,8 +365,9 @@ See also [Django's documentation on the SECRET_KEY setting](https://docs.djangop
 
 *Default: Etc/UTC*
 
-The time zone to use for the instance. See [List of tz database time zones](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)
-for all possible values.
+The default time zone to use for the instance. See [List of tz database time zones](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)
+for all possible values. This value can be overridden per use from the user
+settings form.
 
 ## Languages
 
diff --git a/app.json b/app.json
index fab49bc3..685991aa 100644
--- a/app.json
+++ b/app.json
@@ -32,7 +32,7 @@
             "value": "1"
         },
         "TIME_ZONE": {
-            "description": "Sets the instance time zone.",
+            "description": "Sets the instance default time zone.",
             "value": "Etc/UTC"
         }
     },