diff --git a/docs/source_docs/user_guide/inputs/boundary_conditions.rst b/docs/source_docs/user_guide/inputs/boundary_conditions.rst
index 0a3b904f756ede8fb622320559699b9cadbab93e..f2d3155ae5d9ca7bba89ca0d2f6d3ef36e477183 100644
--- a/docs/source_docs/user_guide/inputs/boundary_conditions.rst
+++ b/docs/source_docs/user_guide/inputs/boundary_conditions.rst
@@ -49,7 +49,8 @@ For each boundary condition the reference frame is defined using the prefix ``bc
 |                       |  * ``rotating``: Velocity is interpreted relative to the rotating      |          |          |
 |                       |    frame appropriately transformed when applied.                       |          |          |
 +-----------------------+------------------------------------------------------------------------+----------+----------+
-
+| pressure              | Fluid pressure [required if bc type is ``po`` or ``pi``]               | Real     | None     |
++-----------------------+------------------------------------------------------------------------+----------+----------+
 
 Fluid settings
 ~~~~~~~~~~~~~~
@@ -63,8 +64,6 @@ using the prefix ``bc.[region_name].[fluid_name]``:
 +========================+========================================================================+=============+===========+
 | density                | Fluid density [required if bc type is ``mi`` or ``pi``]                | Real        | None      |
 +------------------------+------------------------------------------------------------------------+-------------+-----------+
-| pressure               | Fluid pressure [required if bc type is ``po`` or ``pi``]               | Real        | None      |
-+------------------------+------------------------------------------------------------------------+-------------+-----------+
 | temperature            | Fluid temperature [required if bc type is ``mi`` or ``pi``]            | Real        | None      |
 +------------------------+------------------------------------------------------------------------+-------------+-----------+
 | species.[species_name] | Mass fraction of ``species_name`` [required if ``solve_species``       | Real        | None      |
@@ -107,7 +106,7 @@ Below is an example for specifying boundary conditions for fluid (``fluid``).
 
    bc.outflow = po
 
-   bc.outflow.fluid.pressure =  0.0
+   bc.outflow.pressure =  0.0
 
 
 Below is an example for specifying a normal inflow velocity magnitude for a region `eb-flow`.
diff --git a/docs/source_docs/user_guide/inputs/chemical_reactions.rst b/docs/source_docs/user_guide/inputs/chemical_reactions.rst
index e637e4ed5771a4fe09769ecec8915fcbf3bfc6c4..125a883435d2c83bb8937d7100a46ed227668814 100644
--- a/docs/source_docs/user_guide/inputs/chemical_reactions.rst
+++ b/docs/source_docs/user_guide/inputs/chemical_reactions.rst
@@ -373,4 +373,4 @@ to chemical reactions.
   bc.inflow.fluid.species.N2    = 0.2
 
   bc.outflow = po
-  bc.outflow.fluid.pressure =  101325.
+  bc.outflow.pressure =  101325.
diff --git a/docs/source_docs/user_guide/inputs/fluid_model.rst b/docs/source_docs/user_guide/inputs/fluid_model.rst
index f553de5a129a1a1c0ba126110da093eaa6dc66cc..bd2cbf313dbd54335ef050e1842d09c00656a299 100644
--- a/docs/source_docs/user_guide/inputs/fluid_model.rst
+++ b/docs/source_docs/user_guide/inputs/fluid_model.rst
@@ -584,7 +584,7 @@ are not solved.
    bc.inlet.fluid0.velocity =  1.0e-8
 
    bc.outlet = po
-   bc.outlet.fluid0.pressure =  0.
+   bc.outlet.pressure =  0.
 
 
 Simple ideal gas
@@ -642,7 +642,7 @@ pressure when evaluating the equation of state.
    bc.inlet.fluid0.temperature = 300.0
 
    bc.outlet = po
-   bc.outlet.fluid0.pressure =  101325.
+   bc.outlet.pressure =  101325.
 
 
 
@@ -712,4 +712,4 @@ thermodynamic pressure for the system.
 
    bc.outlet = po
 
-   bc.outlet.fluid0.pressure =  101325.
+   bc.outlet.pressure =  101325.
diff --git a/docs/source_docs/user_guide/inputs/initial_conditions.rst b/docs/source_docs/user_guide/inputs/initial_conditions.rst
index 5a0d30ded44def31bf271aef67fb103d99e0d6b3..34aa6d970cc81cd3b27a90de152ef447d1b76927 100644
--- a/docs/source_docs/user_guide/inputs/initial_conditions.rst
+++ b/docs/source_docs/user_guide/inputs/initial_conditions.rst
@@ -50,8 +50,6 @@ using the compound prefix ``ic.[region_name].[fluid_name]``:
 +------------------------+------------------------------------------------------------------------+-------------+-----------+
 | velocity               | Velocity components.                                                   | Reals<3>    | None      |
 +------------------------+------------------------------------------------------------------------+-------------+-----------+
-| pressure               | Fluid pressure.                                                        | Real        | None      |
-+------------------------+------------------------------------------------------------------------+-------------+-----------+
 | temperature            | Fluid temperature.                                                     | Real        | None      |
 +------------------------+------------------------------------------------------------------------+-------------+-----------+
 | species.[species_name] | Mass fraction of ``species_name``.  Must be a fluid species.           | Real        | None      |
diff --git a/docs/source_docs/user_guide/inputs/species.rst b/docs/source_docs/user_guide/inputs/species.rst
index 1c5c464fe02330ea8ad20ac42cedbba0495d585d..53eb5da6018b58d8a76fd71bbbe16be28c54cd38 100644
--- a/docs/source_docs/user_guide/inputs/species.rst
+++ b/docs/source_docs/user_guide/inputs/species.rst
@@ -360,7 +360,7 @@ local species concentrations do not affect the fluid.
    bc.inlet.fluid.species.O2   =  0.23
 
    bc.outlet = po
-   bc.outlet.fluid.pressure =  0.
+   bc.outlet.pressure =  0.
 
 
 Fluid as mixture
@@ -460,4 +460,4 @@ outflow boundary condition pressure which is set here to 1 atmosphere.
    bc.inlet.fluid.temperature = 300.0
 
    bc.outlet = po
-   bc.outlet.fluid.pressure =  101325.
+   bc.outlet.pressure =  101325.