diff --git a/sites/platform/src/define-routes/_index.md b/sites/platform/src/define-routes/_index.md
index 8466e97b50..6071fea145 100644
--- a/sites/platform/src/define-routes/_index.md
+++ b/sites/platform/src/define-routes/_index.md
@@ -220,10 +220,10 @@ https://example.com.feature-t6dnbai-abcdef1234567.us-2.{{< vendor/urlraw "hostna
 
 ### `{all}`
 
-You can also set up multiple domains for a single project.
+You can also set up multiple domains for a single environment.
 To define rules for all of them, use `{all}` in your template.
 
-Say you have both `example.com` and `example.net` as domains in a project.
+Say you have both `example.com` and `example.net` as domains on an environment.
 You can then define the following routes:
 
 ```yaml {configFile="routes"}
@@ -242,7 +242,7 @@ your app runs at both `https://example.com` and `https://example.net`.
 The second route means that `https://www.example.com` redirects to `https://example.com`
 _and_ `https://www.example.net` redirects to `https://example.net`.
 
-If your project has no domains or only one, `{all}` behaves exactly like `{default}`.
+If your environment has no domains or only one, `{all}` behaves exactly like `{default}`.
 
 If you have two routes sharing the same HTTP scheme, domain, and path
 and the first route is using `{default}` and the second is using `{all}`,
diff --git a/sites/upsun/src/define-routes/_index.md b/sites/upsun/src/define-routes/_index.md
index 8f389d1736..c51e4e2c1a 100644
--- a/sites/upsun/src/define-routes/_index.md
+++ b/sites/upsun/src/define-routes/_index.md
@@ -187,10 +187,10 @@ Note that the `example.com` prefix isn't part of the generated URL.
 
 ### `{all}`
 
-You can also set up multiple domains for a single project.
+You can also set up multiple domains for a single environment.
 To define rules for all of them, use `{all}` in your template.
 
-Say you have both `example.com` and `example.net` as domains in a project.
+Say you have both `example.com` and `example.net` as domains on an environment.
 You can then define the following routes:
 
 ```yaml {configFile="routes"}
@@ -210,7 +210,7 @@ your app runs at both `https://example.com` and `https://example.net`.
 The second route means that `https://www.example.com` redirects to `https://example.com`
 _and_ `https://www.example.net` redirects to `https://example.net`.
 
-If your project has no domains or only one, `{all}` behaves exactly like `{default}`.
+If your environment has no domains or only one, `{all}` behaves exactly like `{default}`.
 
 If you have two routes sharing the same HTTP scheme, domain, and path
 and the first route is using `{default}` and the second is using `{all}`,