diff --git a/users.admin.invite.md b/users.admin.invite.md
index 5051530..a16a86b 100644
--- a/users.admin.invite.md
+++ b/users.admin.invite.md
@@ -22,5 +22,6 @@ ok: true
 ##Errors & Warnings
 Error|Description
 --------|-------
-`user_already_invited`|User has already received an email invitation
+`already_invited`|User has already received an email invitation
+`already_in_team`|User is already part of the team
 tbd