diff --git a/docs/ref/settings.txt b/docs/ref/settings.txt
index 34c835fb82..e3a0f6d32a 100644
--- a/docs/ref/settings.txt
+++ b/docs/ref/settings.txt
@@ -3636,6 +3636,7 @@ Email
 * :setting:`EMAIL_SUBJECT_PREFIX`
 * :setting:`EMAIL_TIMEOUT`
 * :setting:`EMAIL_USE_LOCALTIME`
+* :setting:`EMAIL_USE_SSL`
 * :setting:`EMAIL_USE_TLS`
 * :setting:`MANAGERS`
 * :setting:`SERVER_EMAIL`