The article mentions that it was provided by SciDev.net.
Looking there you find the original article, and it has the correction to the right temperature: https://www.scidev.net/global/supported-content/rwandan-scie...
Looking there you find the original article, and it has the correction to the right temperature: https://www.scidev.net/global/supported-content/rwandan-scie...
> This article was edited on 29/01 to correct the temperature for fermenting to 37 degrees Celsius.