Hi,
You can change it in language file of this template in language folder: /language/YOUR_LANGUAGE/YOUR_LANGUAGE.tpl_ja_kranos.ini
For example with English language, open file: /language/en-GB/en-GB.tpl_ja_kranos.ini
JACOM_CONTENT_CATEGORY="In: %s"
JACOM_CONTENT_WRITTEN_BY="By %s"
JACOM_CONTENT_ARTICLE_INFO=""
JACOM_CONTENT_PUBLISHED_DATE ="Published"
JACOM_CONTENT_LAST_UPDATED="Updated"
JACOM_CONTENT_CREATED_DATE_ON ="Post"
DATE_FORMAT_LC_BUSINESS="<span class='date'>%d</span><span class='month'>%b</span><span class='year'>%Y</span>"
JACOM_CONTENT_REGISTER_TO_READ_MORE="Read more"
JACOM_CONTENT_READ_MORE_TITLE="Read more"
JACOM_CONTENT_READ_MORE="Read more"
Then change the text in red to your own.
Regards