diff --git a/frappe/email/doctype/email_account/email_account.json b/frappe/email/doctype/email_account/email_account.json
index 9395526fe4..740f6039ed 100644
--- a/frappe/email/doctype/email_account/email_account.json
+++ b/frappe/email/doctype/email_account/email_account.json
@@ -214,7 +214,7 @@
   },
   {
    "depends_on": "eval: doc.enable_incoming && !doc.use_imap",
-   "description": "Append as communication against this DocType (must have fields, \"Status\", \"Subject\")",
+   "description": "Append as communication against this DocType (must have field \"Status\" and both \"Sender\" and \"Subject\" defined in the related doctype Email Settings)",
    "fieldname": "append_to",
    "fieldtype": "Link",
    "hide_days": 1,
@@ -630,4 +630,4 @@
  "sort_order": "DESC",
  "states": [],
  "track_changes": 1
-}
\ No newline at end of file
+}
diff --git a/frappe/email/doctype/email_domain/email_domain.json b/frappe/email/doctype/email_domain/email_domain.json
index a4ca19a0bd..aba5a8569f 100644
--- a/frappe/email/doctype/email_domain/email_domain.json
+++ b/frappe/email/doctype/email_domain/email_domain.json
@@ -73,7 +73,7 @@
    "label": "Attachment Limit (MB)"
   },
   {
-   "description": "Append as communication against this DocType (must have fields, \"Status\", \"Subject\")",
+   "description": "Append as communication against this DocType (must have field \"Status\" and both \"Sender\" and \"Subject\" defined in the related doctype Email Settings)",
    "fieldname": "append_to",
    "fieldtype": "Link",
    "hidden": 1,
@@ -143,4 +143,4 @@
  ],
  "sort_field": "modified",
  "sort_order": "DESC"
-}
\ No newline at end of file
+}