diff --git a/README.md b/README.md
index c78fa73..88c4750 100644
--- a/README.md
+++ b/README.md
@@ -394,7 +394,8 @@ gitlab_rails['smtp_domain'] = "example.com"
 gitlab_rails['smtp_authentication'] = "login"
 gitlab_rails['smtp_enable_starttls_auto'] = true
 
-# For some SMTP servers you need to use a specific 'From' address
+# If your SMTP server does not like the default 'From: gitlab@localhost' you
+# can change the 'From' with this setting.
 gitlab_rails['gitlab_email_from'] = 'gitlab@example.com'
 ```
 
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libgit2 0.21.2