fix comment typo 'capital' instead of 'capitol'

Author: softwareengineerprogrammer

src/geophires_x/Economics.py

@@ -2687,7 +2687,7 @@ def Calculate(self, model: Model) -> None:
         else:
             self.CCap.value = self.totalcapcost.value
 
-        # update the capitol costs, assuming the entire ITC is used to reduce the capitol costs
+        # update the capital costs, assuming the entire ITC is used to reduce the capital costs
         if self.RITC.Provided:
             self.RITCValue.value = self.RITC.value * self.CCap.value
             self.CCap.value = self.CCap.value - self.RITCValue.value