diff --git a/doc/content/source/materials/P91LAROMANCEStressUpdate.md b/doc/content/source/materials/P91LAROMANCEStressUpdate.md
index 18b9cd16..5cccb0c1 100644
--- a/doc/content/source/materials/P91LAROMANCEStressUpdate.md
+++ b/doc/content/source/materials/P91LAROMANCEStressUpdate.md
@@ -2,8 +2,8 @@
 
 ## Description
 
-`P91LAROMANCEStressUpdate` implements the necessary coefficients to compute a creep rate for HT9
-stainless steel by sampling a Los Alamos Reduced Order Model Applied to Nonlinear Constitutive
+`P91LAROMANCEStressUpdate` implements the necessary coefficients to compute a creep rate for P91
+chrome moly alloy steel by sampling a Los Alamos Reduced Order Model Applied to Nonlinear Constitutive
 Equations (LAROMANCE) model. `P91LAROMANCEStressUpdate` implements the coefficients required by
 [ADLAROMANCEStressUpdateBase](ADLAROMANCEStressUpdateBase.md), which in turn utilizes the radial
 return method implemented in [ADRadialReturnStressUpdate](/ADRadialReturnStressUpdate.md) to
@@ -14,7 +14,7 @@ model.
 
 ## Example Input Syntax
 
-!listing test/tests/tensor_mechanics/ht9_rom/2drz.i block=Materials/rom_stress_prediction
+!listing test/tests/d91_rom/verification.i block=Materials/rom_stress_prediction
 
 !syntax parameters /Materials/tensor_mechanics/P91LAROMANCEStressUpdate
 
diff --git a/src/materials/P91LAROMANCEStressUpdate.C b/src/materials/P91LAROMANCEStressUpdate.C
index 90e2f971..2ac9aecc 100644
--- a/src/materials/P91LAROMANCEStressUpdate.C
+++ b/src/materials/P91LAROMANCEStressUpdate.C
@@ -35,9 +35,9 @@ P91LAROMANCEStressUpdate::validParams()
       "Maximum increment of density of cell (glissile) dislocations.");
   params.addRangeCheckedParam<Real>(
       "initial_wall_dislocation_density",
-      6.0e12,
+      10.0e12,
       "initial_wall_dislocation_density >= 6.0e12 & "
-      "initial_wall_dislocation_density <= 6.0e12",
+      "initial_wall_dislocation_density <= 18.0e12",
       "Cell wall (locked) dislocation density initial value (1/m^2).");
   params.addRangeCheckedParam<Real>(
       "max_relative_wall_dislocation_increment",