diff --git a/docs/source_docs/references/size_distributions.rst b/docs/source_docs/references/size_distributions.rst
index 514020eb09ba3b148a0bbd881f99619ee90e5648..058a04985292091a4f0d45bf813ffc3489958819 100644
--- a/docs/source_docs/references/size_distributions.rst
+++ b/docs/source_docs/references/size_distributions.rst
@@ -707,7 +707,7 @@ A user-defined ``custom`` distribution can be specified by providing discrete pr
 +---------------------+-----------------------------------------------------------------------+-------------+-----------+
 |                     | Description                                                           |   Type      | Default   |
 +=====================+=======================================================================+=============+===========+
-| custom              | File name of user-defined distribution                                | string      | N/A       |
+| custom              | File name of user-defined distribution                                | String      | N/A       |
 +---------------------+-----------------------------------------------------------------------+-------------+-----------+
 | min                 | Minimum particle diameter. Drawn samples below ``min`` are discarded  | Real        | N/A       |
 |                     | and a new sample is drawn.                                            |             |           |
@@ -715,7 +715,7 @@ A user-defined ``custom`` distribution can be specified by providing discrete pr
 | max                 | Maximum particle diameter. Drawn samples above ``max`` are discarded  | Real        | N/A       |
 |                     | and a new sample is drawn.                                            |             |           |
 +---------------------+-----------------------------------------------------------------------+-------------+-----------+
-| interpolate         | Enable linear interpolation between discrete bins. This option is     | bool        | false     |
+| interpolate         | Enable linear interpolation between discrete bins. This option is     | Bool        | false     |
 |                     | only available when the initial distribution probability is zero.     |             |           |
 +---------------------+-----------------------------------------------------------------------+-------------+-----------+
 
diff --git a/docs/source_docs/user_guide/inputs/boundary_conditions.rst b/docs/source_docs/user_guide/inputs/boundary_conditions.rst
index 6c7177500b0c97c97e2341db60ce974d5e69fbe5..c4c3a7d2544aab0a95c38997ac9ce351790bd7c8 100644
--- a/docs/source_docs/user_guide/inputs/boundary_conditions.rst
+++ b/docs/source_docs/user_guide/inputs/boundary_conditions.rst
@@ -195,7 +195,6 @@ please refer to :ref:`ReferenceParticleDistributions <ReferenceParticleDistribut
 | bins                   | Number of bins used when discretizing the diameter distribution to    | Int         | 64        |
 |                        | approximate the number of particles within a boundary condition       |             |           |
 |                        | region.                                                               |             |           |
-|                        |                                                                       |             |           |
 +------------------------+-----------------------------------------------------------------------+-------------+-----------+
 | constant               | Monodisperse (single valued) particle diameter.                       | Real        | 0         |
 |                        | Required for ``constant`` distributions.                              |             |           |
@@ -217,6 +216,11 @@ please refer to :ref:`ReferenceParticleDistributions <ReferenceParticleDistribut
 | custom                 | File name that specifies either the cumulative or probability         | String      | None      |
 |                        | distribution. Required for ``custom`` distributions.                  |             |           |
 +------------------------+-----------------------------------------------------------------------+-------------+-----------+
+| interpolate            | For ``custom`` distributions, enable linear interpolation between     | Bool        | false     |
+|                        | discrete bins. This option is only available when the initial         |             |           |
+|                        | distribution probability is zero.                                     |             |           |
++------------------------+-----------------------------------------------------------------------+-------------+-----------+
+
 
 
 The following inputs control the density distribution and are defined with
@@ -256,6 +260,10 @@ the prefix ``bc.[region_name].[solid_name].density``:
 | custom                 | File name that specifies either the cumulative or probability         | String      | None      |
 |                        | distribution. Required for ``custom`` distributions.                  |             |           |
 +------------------------+-----------------------------------------------------------------------+-------------+-----------+
+| interpolate            | For ``custom`` distributions, enable linear interpolation between     | Bool        | false     |
+|                        | discrete bins. This option is only available when the initial         |             |           |
+|                        | distribution probability is zero.                                     |             |           |
++------------------------+-----------------------------------------------------------------------+-------------+-----------+
 
 
 Transient boundary conditions
@@ -406,7 +414,7 @@ Below is an example for specifying a constant temperature boundary condition in
 
 .. code-block:: none
 
-   bc.regions = hot-wall
+   bc.regions = hot-walls
 
    bc.hot-walls = eb
    bc.hot-walls.eb.temperature = constant
diff --git a/docs/source_docs/user_guide/inputs/fluid_model.rst b/docs/source_docs/user_guide/inputs/fluid_model.rst
index 67c85b27b7a8d56e7ff8ac7e3c064aecd6183976..71194bab8c747b1e359e8b9b1353fb13a46c26fd 100644
--- a/docs/source_docs/user_guide/inputs/fluid_model.rst
+++ b/docs/source_docs/user_guide/inputs/fluid_model.rst
@@ -223,7 +223,7 @@ The following inputs are defined using the prefix ``[fluid_name]``:
 
 
 
-Specific Heat
+Specific heat
 -------------
 
 The following inputs are defined using the prefix ``[fluid_name].specific_heat``:
diff --git a/docs/source_docs/user_guide/inputs/initial_conditions.rst b/docs/source_docs/user_guide/inputs/initial_conditions.rst
index d46a3f85b2124cfd542b99ad09223c1fd13cc6cf..a28137db1be5380a5593990e9bd23122f442a0c5 100644
--- a/docs/source_docs/user_guide/inputs/initial_conditions.rst
+++ b/docs/source_docs/user_guide/inputs/initial_conditions.rst
@@ -139,6 +139,10 @@ please refer to :ref:`ReferenceParticleDistributions <ReferenceParticleDistribut
 | custom                 | File name that specifies either the cumulative or probability         | String      | None      |
 |                        | distribution. Required for ``custom`` distributions.                  |             |           |
 +------------------------+-----------------------------------------------------------------------+-------------+-----------+
+| interpolate            | For ``custom`` distributions, enable linear interpolation between     | Bool        | false     |
+|                        | discrete bins. This option is only available when the initial         |             |           |
+|                        | distribution probability is zero.                                     |             |           |
++------------------------+-----------------------------------------------------------------------+-------------+-----------+
 
 
 The following inputs control the density distribution and are defined with
@@ -178,6 +182,10 @@ the prefix ``ic.[region_name].[solid_name].density``:
 | custom                 | File name that specifies either the cumulative or probability         | String      | None      |
 |                        | distribution. Required for ``custom`` distributions.                  |             |           |
 +------------------------+-----------------------------------------------------------------------+-------------+-----------+
+| interpolate            | For ``custom`` distributions, enable linear interpolation between     | Bool        | false     |
+|                        | discrete bins. This option is only available when the initial         |             |           |
+|                        | distribution probability is zero.                                     |             |           |
++------------------------+-----------------------------------------------------------------------+-------------+-----------+
 
 
 The following input must be preceded by the prefix ``mfix``:
diff --git a/nonexistent-keys.txt b/nonexistent-keys.txt
index de176ccbc687df26639bfd02c3f77e1931b2961c..1f3d3bcdbf468244511c3971248a7011308be215 100644
--- a/nonexistent-keys.txt
+++ b/nonexistent-keys.txt
@@ -1,43 +1,8 @@
-bc.[region_name].[solid_name].bins
-bc.[region_name].[solid_name].density.custom
-bc.[region_name].[solid_name].density.max
-bc.[region_name].[solid_name].density.mean
-bc.[region_name].[solid_name].density.min
-bc.[region_name].[solid_name].density.std
-bc.[region_name].[solid_name].diameter
-bc.[region_name].[solid_name].diameter.constant
-bc.[region_name].[solid_name].diameter.custom
-bc.[region_name].[solid_name].diameter.max
-bc.[region_name].[solid_name].diameter.mean
-bc.[region_name].[solid_name].diameter.min
-bc.[region_name].[solid_name].diameter.std
 bc.[region_name].[solid_name].massflow
-bc.[region_name].[solid_name].type
-ic.[region_name].[solid_name].bins
-ic.[region_name].[solid_name].type
-
-mac_proj.bottom_maxiter
-mac_proj.bottom_verbose
-mac_proj.maxiter
-mac_proj.verbose
-mfix.deposition_diffusion_coeff
-mfix.plt_T_p
-mfix.plt_drag_p
-mfix.plt_omega_p
-mfix.plt_phase
-mfix.plt_radius
-mfix.plt_ro_p
-mfix.plt_statwt
-mfix.plt_vel_p
 mfix.solids.[region_name].plt_cp_s
 mfix.solids.[region_name].plt_h_s_txfr
 mfix.solids.[region_name].plt_mass
 mfix.solids.[region_name].plt_mass_sn_txfr
 mfix.solids.[region_name].plt_omoi
 mfix.solids.[region_name].plt_vel_s_txfr
-mfix.solids.[region_name].plt_volume
-mfix.use_drag_coeff_in_proj_gp
-nodal_proj.bottom_maxiter
-nodal_proj.bottom_verbose
-nodal_proj.maxiter
-nodal_proj.verbose
+mfix.solids.[region_name].plt_volume
\ No newline at end of file
diff --git a/undocumented-keys.txt b/undocumented-keys.txt
index 0b4dd2cf91fa4649b7467de19049d506f91c0f4f..73a161168a398c2e55aa1ac0c49225114ee9481b 100644
--- a/undocumented-keys.txt
+++ b/undocumented-keys.txt
@@ -21,14 +21,12 @@ diffusion.verbose_solver
 eb2.extend_domain_face
 eb2.small_volfrac
 fab.format
+fluid_name.thermal_conductivity
 hopper.center
 hopper.direction
 hopper.funnel_height
 hopper.funnel_radius
 hopper.orifice_radius
-ic.[region_name].[solid_name].[property_name].bins
-ic.[region_name].[solid_name].[property_name].interpolate
-ic.[region_name].[solid_name].[property_name].type
 ic.[region_name].granular_temperature
 mfix.advect_momentum
 mfix.advect_tracer
@@ -36,18 +34,11 @@ mfix.agg_grid_size
 mfix.ascent_on_restart
 mfix.checkpoint_files_output
 mfix.constraint.include_depdt
-mfix.deposition.filter
-mfix.deposition.filter.constant
-mfix.deposition.filter.variable
-mfix.deposition.filter.variable.min_eps
 mfix.geom_chk_ccse_regtest
+mfix.grid_pruning
 mfix.monitors.[monitor_name].count
 mfix.overstep_end_time
 mfix.particle_sorting_bin
-mfix.particles.enthalpy_source
-mfix.particles.update_enthalpy
-mfix.particles.update_mass
-mfix.particles.update_momentum
 mfix.plt_D_g
 mfix.plt_MW_g
 mfix.plt_X_g
@@ -72,11 +63,11 @@ mfix.solids.[region_name].plt_pft_neighbor_flags
 mfix.solids.[region_name].plt_ptype
 mfix.solids.[region_name].plt_vm_coeff
 mfix.sort_particle_int
-mfix.stop_for_unused_inputs
 mfix.test_tracer_conservation
 mfix.use_new_depdt_algo
 particles.reduceGhostParticles
 pic2dem.convert
+species.thermal_conductivity.model
 stl.internal_flow
 tracer
 tracer.diff_coeff
\ No newline at end of file