Update tools.json - Typos corrected in Dutch language

public/locales/nl/tools.json

@@ -359,7 +359,7 @@
     "manga": "Mangamodus (rechts-naar-links)",
     "includeMetadata": "ComicInfo.xml-metadata opnemen",
     "titleLabel": "Titel",
-    "seriesLabel": "Serie",
+    "seriesLabel": "Reeks",
     "authorLabel": "Auteur(s)",
     "numberLabel": "#",
     "volumeLabel": "Vol.",
@@ -585,7 +585,7 @@
     "settingsTitle": "Markdown-instellingen",
     "settingsPreset": "Voorinstelling",
     "presetDefault": "Standaard (als GFM)",
-    "presetCommonmark": "CommonMark (strict)",
+    "presetCommonmark": "CommonMark (strikt)",
     "presetZero": "Minimaal (geen functies)",
     "settingsOptions": "Markdown-opties",
     "optAllowHtml": "HTML-tags toestaan",