diff --git a/content/reference/promise-types/defaults.markdown b/content/reference/promise-types/defaults.markdown
index d133ad130..afdcaa44f 100644
--- a/content/reference/promise-types/defaults.markdown
+++ b/content/reference/promise-types/defaults.markdown
@@ -1,6 +1,6 @@
 ---
 layout: default
-title: defaults
+title: defaults (deprecated)
 aliases:
   - "/reference-promise-types-defaults.html"
 ---
diff --git a/content/reference/promise-types/guest_environments.markdown b/content/reference/promise-types/guest_environments.markdown
index 7a73687e8..9939a38a9 100644
--- a/content/reference/promise-types/guest_environments.markdown
+++ b/content/reference/promise-types/guest_environments.markdown
@@ -1,6 +1,6 @@
 ---
 layout: default
-title: guest_environments
+title: guest_environments (deprecated)
 sorting: 9999
 aliases:
   - "/reference-promise-types-guest_environments.html"
diff --git a/generator/_references.md b/generator/_references.md
index 9d281b28f..316bad21d 100644
--- a/generator/_references.md
+++ b/generator/_references.md
@@ -64,3 +64,5 @@
 [mpf-services-autorun]: reference-masterfiles-policy-framework-services-autorun.html
 [package-modules-the-api]: reference-language-concepts-modules-package-module-api.html#the-api
 [Functions#collecting functions]: /reference/functions/#collecting-functions
+[guest_environments]: /reference/promise-types/guest_environments.html
+[defaults]: /reference/promise-types/defaults.html