fix: Update message

Co-authored-by: gavin <gavin18d@gmail.com>
diff --git a/erpnext/setup/install.py b/erpnext/setup/install.py
index 44f26bf..d470d75 100644
--- a/erpnext/setup/install.py
+++ b/erpnext/setup/install.py
@@ -30,9 +30,7 @@
 
 def check_setup_wizard_not_completed():
 	if frappe.db.get_default('desktop:home_page') != 'setup-wizard':
-		message = """Cannot install ERPNext.
-
-ERPNext can only be installed on a fresh site where the setup wizard is not completed.
+		message = """ERPNext can only be installed on a fresh site where the setup wizard is not completed. 
 You can reinstall this site (after saving your data) using: bench --site [sitename] reinstall"""
 		frappe.throw(message, exc=frappe.IncompatibleApp)
 
@@ -105,4 +103,3 @@
 		"ref_doctype": "Company"
 	})
 	settings.save()
-