message: Correct Reformation hint
diff: </TEXT>
  <TEXT>
  <Tag>TXT_KEY_HINT_DOC_18</Tag>
  - <English>Researching Printing as a Catholic civilization starts the Reformation, prompting all Catholic civilizations to decide if they want to convert to Protestantism.</English>
  + <English>Researching Academia as a Catholic civilization starts the Reformation, prompting all Catholic civilizations to decide if they want to convert to Protestantism.</English>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_HINT_DOC_19</Tag>
  