diff --git a/api/client-server/administrative_contact.yaml b/api/client-server/administrative_contact.yaml
index aef8edb6..a7bed31f 100644
--- a/api/client-server/administrative_contact.yaml
+++ b/api/client-server/administrative_contact.yaml
@@ -128,3 +128,6 @@ paths:
         with an account on this Home Server. This API should be used to request
         validation tokens when adding an email address to an account. This API
         behaves identically to `/register/email/requestToken`
+      responses:
+        200:
+          description: An email was sent to the given address
diff --git a/api/client-server/registration.yaml b/api/client-server/registration.yaml
index f802686f..8fa09b75 100644
--- a/api/client-server/registration.yaml
+++ b/api/client-server/registration.yaml
@@ -255,3 +255,6 @@ paths:
         returned if no account matching the given email address could be found.
         The server may instead send an email to the given address prompting
         the user to create an account. `M_THREEPID_IN_USE` may not be returned.
+      responses:
+        200:
+          description: An email was sent to the given address