diff --git a/docs/configuration/nginx.md b/docs/configuration/nginx.md
index 497f86b5d9f..f4c72494e53 100644
--- a/docs/configuration/nginx.md
+++ b/docs/configuration/nginx.md
@@ -289,7 +289,7 @@ Unsetting this value is the same as enabling custom nginx config usage.
 
 Finally, each process type has it's network listeners - a list of IP:PORT pairs for the respective app containers - exposed via an `.DOKKU_APP_${PROCESS_TYPE}_LISTENERS` variable - the `PROCESS_TYPE` will be upper-cased with hyphens transformed into underscores. Users can use the new variables to expose non-web processes via the nginx proxy.
 
-> Note: Application config variables are available for use in custom templates. To do so, use the form of `{{ var "FOO" }}` to access a variable named `FOO`.
+> Note: Application environment variables are available for use in custom templates. To do so, use the form of `{{ var "FOO" }}` to access a variable named `FOO`.
 
 #### Customizing via configuration files included by the default templates