Update 2D_NRSupport_FluxModel.py

Small wording change on `e_ratio` documentation.

Author: decaluwe

2D_NRSupport_FluxModel.py

@@ -79,9 +79,9 @@
 rxn_species = 'O2'
 e_ratio = 4
 # The e_ratio is used to calculate the constant flux boundary condition. It is 
-# defined as the ratio of electrons to 1 mol of rxn_species from the redox 
-# reaction. For example... in O2 + 4H(+) + 4e(-) <--> 2H2O, the e_ratio would 
-# be 4 with O2 as the rxn_species since there are 4 mol e(-) to 1 mol O2.
+# defined as the ratio of moles of electrons to 1 mol of rxn_species from the  
+# redox reaction. For example... in O2 + 4H(+) + 4e(-) <--> 2H2O, the e_ratio  
+# would be 4 with O2 as the rxn_species since there are 4 mol e(-) to 1 mol O2.
 
 # Species name for contour plot/animation:
 plt_species = 'O2'
@@ -327,4 +327,4 @@ def animate(i):
 # Add species complexity so that model can be extended to work for Fuel Cell
 # processes.
 
-# Determine appropriate discretization in x-y space for grid independence.
+# Determine appropriate discretization in x-y space for grid independence.