message: Correct hint about improving rainforests
diff: </TEXT>
  <TEXT>
  <Tag>TXT_KEY_HINT_DOC_42</Tag>
  - <English>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Bloomery.</English>
  - <French>Dans Dawn of Civilization, une nouvelle caract&#233;ristique de terrain fait son apparition : la for&#234;t tropicale. Les for&#234;ts tropicales sont similaires aux jungles, mais ne causent pas de maladie et peuvent &#234;tre am&#233;nag&#233;es apr&#232;s la d&#233;couverte du bas fourneau.</French>
  - <German>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Bloomery.</German>
  - <Italian>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Bloomery.</Italian>
  - <Spanish>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Bloomery.</Spanish>
  + <English>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Alloys.</English>
  + <French>Dans Dawn of Civilization, une nouvelle caract&#233;ristique de terrain fait son apparition : la for&#234;t tropicale. Les for&#234;ts tropicales sont similaires aux jungles, mais ne causent pas de maladie et peuvent &#234;tre am&#233;nag&#233;es apr&#232;s la d&#233;couverte des alliages.</French>
  + <German>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Alloys.</German>
  + <Italian>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Alloys.</Italian>
  + <Spanish>DoC adds a new terrain feature, Rainforests. They resemble Jungles, but cause no unhealthiness and can be improved after the discovery of Alloys.</Spanish>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_HINT_DOC_43</Tag>
  