diff --git a/examples/config/numerics.yaml b/examples/config/numerics.yaml
index 97885311d..fa56bdff4 100644
--- a/examples/config/numerics.yaml
+++ b/examples/config/numerics.yaml
@@ -2,28 +2,28 @@
 # Case sensitive keys
 
 homogenization:
-  mech:
+  mechanical:
     RGC:
-      atol:                     1.0e+4       # absolute tolerance of RGC residuum (in Pa)
-      rtol:                     1.0e-3       # relative ...
-      amax:                     1.0e+10      # absolute upper-limit of RGC residuum (in Pa)
-      rmax:                     1.0e+2       # relative ...
-      perturbpenalty:           1.0e-7       # perturbation for computing penalty tangent
-      relevantmismatch:         1.0e-5       # minimum threshold of mismatch
-      viscositypower:           1.0e+0       # power (sensitivity rate) of numerical viscosity in RGC scheme
-      viscositymodulus:         0.0e+0       # stress modulus of RGC numerical viscosity (zero = without numerical viscosity)
-                                             # suggestion: larger than the aTol_RGC but still far below the expected flow stress of material
-      refrelaxationrate:        1.0e-3       # reference rate of relaxation (about the same magnitude as straining rate, possibly a bit higher)
-      maxrelaxationrate:        1.0e+0       # threshold of maximum relaxation vector increment (if exceed this then cutback)
-      maxvoldiscrepancy:        1.0e-5       # maximum allowable relative volume discrepancy
-      voldiscrepancymod:        1.0e+12
-      discrepancypower:         5.0
-
+      eps_abs_P:           1.0e+4       # absolute tolerance of RGC residuum (in Pa)
+      eps_rel_P:           1.0e-3       # relative ...
+      eps_abs_max:         1.0e+10      # absolute upper-limit of RGC residuum (in Pa)
+      eps_rel_max:         1.0e+2       # relative ...
+      perturbpenalty:      1.0e-7       # perturbation for computing penalty tangent
+      relevantmismatch:    1.0e-5       # minimum threshold of mismatch
+      viscositypower:      1.0e+0       # power (sensitivity rate) of numerical viscosity in RGC scheme
+      viscositymodulus:    0.0e+0       # stress modulus of RGC numerical viscosity (zero = without numerical viscosity)
+                                        # suggestion: larger than the aTol_RGC but still far below the expected flow stress of material
+      dot_a_ref:           1.0e-3       # reference rate of relaxation (about the same magnitude as straining rate, possibly a bit higher)
+      dot_a_max:           1.0e+0       # threshold of maximum relaxation vector increment (if exceed this then cutback)
+      Delta_V_max:         1.0e-5       # maximum allowable relative volume discrepancy
+      Delta_V_mod:         1.0e+12
+      Delta_V_pow:         5.0
+# Don't think generic is required
   generic:
-    subStepMin:               1.0e-3       # minimum (relative) size of sub-step allowed during cutback in homogenization
-    subStepSize:              0.25         # size of substep when cutback introduced in homogenization (value between 0 and 1)
-    stepIncrease:             1.5          # increase of next substep size when previous substep converged in homogenization (value higher than 1)
-    nMPstate:                 10           # materialpoint state loop limit
+    subStepMin:               1.0e-3       #? (not used) minimum (relative) size of sub-step allowed during cutback in homogenization
+    subStepSize:              0.25         #? (not used) size of substep when cutback introduced in homogenization (value between 0 and 1)
+    stepIncrease:             1.5          #? (not used) increase of next substep size when previous substep converged in homogenization (value higher than 1)
+    nMPstate:                 10           #  (do we need??) materialpoint state loop limit
 
 solver:
   grid: