'' -> ""

resource/locales/en_US/translation.json

@@ -411,7 +411,7 @@
     "GROWI_original": "GROWI original",
     "pukiwiki": "Pukiwiki",
     "preview": "Preview",
-    "page_not_found_in_preview": "'{{path}}' is not a GROWI page."
+    "page_not_found_in_preview": "\"{{path}}\" is not a GROWI page."
   },
   "toaster": {
     "update_successed": "Succeeded to update {{target}}",

resource/locales/ja_JP/translation.json

@@ -413,7 +413,7 @@
     "GROWI_original": "GROWI 独自記法",
     "pukiwiki": "Pukiwiki 記法",
     "preview": "プレビュー",
-    "page_not_found_in_preview": "'{{path}}' というページはありません。"
+    "page_not_found_in_preview": "\"{{path}}\" というページはありません。"
   },
   "toaster": {
     "update_successed": "{{target}}を更新しました",

resource/locales/zh_CN/translation.json

@@ -391,7 +391,7 @@
     "GROWI_original": "GROWI original",
     "pukiwiki": "Pukiwiki",
     "preview": "Preview",
-    "page_not_found_in_preview": "'{{path}}' is not a GROWI page."
+    "page_not_found_in_preview": "\"{{path}}\" is not a GROWI page."
   },
 	"toaster": {
 		"update_successed": "Succeeded to update {{target}}",