add SyncAgo because it's very useful thing to know...

src/components/SyncAgo.js

@@ -0,0 +1,16 @@
+// @flow
+
+import React, { PureComponent } from 'react'
+import moment from 'moment'
+import { translate } from 'react-i18next'
+import type { T } from 'types/common'
+import Box from './base/Box'
+
+class SyncAgo extends PureComponent<{ t: T, date: Date }> {
+  render() {
+    const { t, date } = this.props
+    return <Box p={4}>{t('app:common.sync.ago', { time: moment(date).fromNow() })}</Box>
+  }
+}
+
+export default translate()(SyncAgo)

src/components/modals/AccountSettingRenderBody.js

@@ -22,6 +22,7 @@ import Box from 'components/base/Box'
 import Button from 'components/base/Button'
 import Input from 'components/base/Input'
 import Select from 'components/base/Select'
+import SyncAgo from 'components/SyncAgo'
 
 import {
   ModalBody,
@@ -258,12 +259,12 @@ class HelperComp extends PureComponent<Props, State> {
               </Container>
             ) : null}
             <Spoiler title={t('app:account.settings.advancedLogs')}>
+              <SyncAgo date={account.lastSyncDate} />
               <textarea
                 readOnly
                 style={{
                   userSelect: 'text',
                   border: '1px dashed #f9f9f9',
-                  marginTop: '20px',
                   backgroundColor: '#f9f9f9',
                   color: '#000',
                   fontFamily: 'monospace',

static/i18n/en/app.yml

@@ -42,6 +42,7 @@ common:
     upToDate: Up to date
     error: Sync error.
     refresh: Refresh
+    ago: Synced {{time}}
   error:
     load: Unable to load
     noResults: No results