diff --git a/source/includes/_errors.md b/source/includes/_errors.md
index 9d9ff8a97de..cad6cbfef09 100644
--- a/source/includes/_errors.md
+++ b/source/includes/_errors.md
@@ -11,5 +11,6 @@ Error Code | Meaning
 401 | Unauthorized — Wrong / missing key. (Check your parameter name?)
 404 | Not Found — Couldn't find that resource, or path requested. 
 406 | Not Acceptable — Check the format of your params? 
+422 | Account Creation (Sign-Up) via API currently disabled
 500 | Internal Server Error — We had a problem with our server. Try again later.
 503 | Service Unavailable — We're temporarily offline for maintenance. Please try again later.