Hirama666 is there any way to edit the source text
Yes, you can edit the source text using a code editor. Original strings are inside the gettext
Hirama666 we are using Poedit to translate some text for a precise translation in our School
This is the recommended way. Instead of editing sources, you can maintain your own translations. If you create a new locale, the files will not be overwritten when you update. For more info, check the wiki.