diff --git a/openfast_io/openfast_io/FAST_writer.py b/openfast_io/openfast_io/FAST_writer.py
index e9998d6fb..ec10ed741 100644
--- a/openfast_io/openfast_io/FAST_writer.py
+++ b/openfast_io/openfast_io/FAST_writer.py
@@ -290,10 +290,10 @@ def write_MainInput(self):
         f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['DT'], 'DT', '- Recommended module time step (s)\n'))
         f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['ModCoupling'], 'ModCoupling', '- Module coupling method (switch) {1=loose; 2=tight with fixed Jacobian updates (DT_UJac); 3=tight with automatic Jacobian updates}\n'))
         f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['InterpOrder'], 'InterpOrder', '- Interpolation order for input/output time history (-) {1=linear, 2=quadratic}\n'))
-        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['NumCrctn'], 'NumCrctn', '- Numerical damping parameter for tight coupling generalized-alpha integrator (-) [0.0 to 1.0]\n'))
-        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['RhoInf'], 'RhoInf', '- Convergence iteration error tolerance for tight coupling generalized alpha integrator (-)\n'))
-        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['ConvTol'], 'ConvTol', '- Maximum number of convergence iterations for tight coupling generalized alpha integrator (-)\n'))
-        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['MaxConvIter'], 'MaxConvIter', '- Number of correction iterations (-) {0=explicit calculation, i.e., no corrections}\n'))
+        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['NumCrctn'], 'NumCrctn', '- Number of correction iterations (-) {0=explicit calculation, i.e., no corrections}\n'))
+        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['RhoInf'], 'RhoInf', '- Numerical damping parameter for tight coupling generalized-alpha integrator (-) [0.0 to 1.0]\n'))
+        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['ConvTol'], 'ConvTol', '- Convergence iteration error tolerance for tight coupling generalized alpha integrator (-)\n'))
+        f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['MaxConvIter'], 'MaxConvIter', '- Maximum number of convergence iterations for tight coupling generalized alpha integrator (-)\n'))
         f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['DT_UJac'], 'DT_UJac', '- Time between calls to get Jacobians (s)\n'))
         f.write('{:<22} {:<11} {:}'.format(self.fst_vt['Fst']['UJacSclFact'], 'UJacSclFact', '- Scaling factor used in Jacobians (-)\n'))
         f.write('---------------------- FEATURE SWITCHES AND FLAGS ------------------------------\n')
diff --git a/openfast_io/openfast_io/StC_defaults.py b/openfast_io/openfast_io/StC_defaults.py
index 297461fc7..639e59352 100644
--- a/openfast_io/openfast_io/StC_defaults.py
+++ b/openfast_io/openfast_io/StC_defaults.py
@@ -29,7 +29,7 @@ def default_StC_vt():
     StC['StC_X_M']      = 0     #  - StC X mass (kg) [must equal StC_Y_M for StC_DOF_MODE = 2]
     StC['StC_Y_M']      = 0     #  - StC Y mass (kg) [must equal StC_X_M for StC_DOF_MODE = 2]
     StC['StC_Z_M']      = 0     #  - StC Z mass (kg) [used only when StC_DOF_MODE=1 and StC_Z_DOF=TRUE]
-    StC['StC_XY_M']     = 0     #  - StC Z mass (kg) [used only when StC_DOF_MODE=2]
+    StC['StC_Omni_M']   = 0     #  - StC omni mass (kg) [used only when StC_DOF_MODE=2 or 3]
     StC['StC_X_K']      = 0     #  - StC X stiffness (N/m)
     StC['StC_Y_K']      = 0     #  - StC Y stiffness (N/m)
     StC['StC_Z_K']      = 0     #  - StC Z stiffness (N/m) [used only when StC_DOF_MODE=1 and StC_Z_DOF=TRUE]