txt=self.tr("""
<p> MaeGirls shows information about women's cycle using some generic
-guidelines: It assumes that the ovulation happens 14 days before the start
+guidelines: It assumes that ovulation happens 14 days before the start
of the next period and that the period cycle is constant. Also, it assumes
that sperm can live for 4 days, while an egg can live for 2 days.