diff --git a/Ua2D_DefaultParameters.m b/Ua2D_DefaultParameters.m
index 904f0764..14f8b5d0 100755
--- a/Ua2D_DefaultParameters.m
+++ b/Ua2D_DefaultParameters.m
@@ -1778,7 +1778,7 @@
                                                                % year and meters) suggest using -10 as a value, ie the default
                                                                % value might be on the lower side.
 CtrlVar.LevelSetMethodMassBalanceFeedbackCoeffCubic=-0; 
-% a3 in the above equaiton for ab.
+% a3 in the above equation for ab.
 
 CtrlVar.LevelSetMinIceThickness=CtrlVar.ThickMin;             % hmin in the above equation.