fix: Typo
diff --git a/erpnext/hr/doctype/employee/employee.py b/erpnext/hr/doctype/employee/employee.py
index df11314..90e25ef 100755
--- a/erpnext/hr/doctype/employee/employee.py
+++ b/erpnext/hr/doctype/employee/employee.py
@@ -320,7 +320,7 @@
 		subject=_("Birthday Reminder"),
 		template="birthday_reminder",
 		args=dict(
-			reminder_text=reminder,
+			reminder_text=reminder_text,
 			birthday_persons=birthday_persons,
 			message=message,
 		),