diff --git a/FAQ.md b/FAQ.md
index 62844cfe2a..274cdba485 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -433,9 +433,9 @@ See also [this FAQ](#user-content-faq16).
**(4) How can I use an invalid security certificate / empty password / plain text connection?**
-*... Untrusted ... not in certificate ...*
-
-*... Invalid security certificate (Can't verify identity of server) ...*
+*... Untrusted ... not in certificate ...*
+*... Invalid security certificate (Can't verify identity of server) ...*
+*... Chain validation failed ... timestamp check failed ... Certificate expired at ...*
This can be caused by using an incorrect host name, so first double check the host name in the advanced identity/account settings (tap Manual setup).
Please see the documentation of the email provider about the right host name.