Changing theme's wording
Most of the wording in the theme can be changed, either in the Theme Editor or, for less important wording, in the Language Settings.
In order to edit the wording, open the theme of list, click on "Actions" and click on "Edit languages":
You can filter the translations by typing the first few letter of the word/sentence you are looking to translate:
Locate the correct translations (in some circumstances, the same word/sentence may appear in different contexts), edit it and click on "Save".