Update README.md ex2

tutorial/ex2/README.md

@@ -21,7 +21,7 @@ Locate all the files you will need for this exercise
 * The __input file__: `exercise2.input`
 * Two header files containing:
   * a custom __local residual__ in: `mylocalresidual.hh`
-  * a custom __material law__ in:: `mymateriallaw.hh`
+  * a custom __material law__ in: `mymateriallaw.hh`
 
 
 <hr><br><br>
@@ -40,10 +40,11 @@ cd build-cmake/tutorial/exercise2
 make exercise2
 ```
 
-* Execute the two problems and inspect the result
+* Run the problem and inspect the result
 
 ```bash
 ./exercise2
+paraview *pvd
 ```
 Note: Because the input file has the same name as the
 executable, DuMuX will find it automatically.
@@ -84,9 +85,9 @@ SET_PROP(InjectionSpatialParams, MaterialLaw)
 Note: Also use the wrapper class `EffToAbsLaw`. It takes care of converting absolute to effective saturations considering residual saturations. `MyMaterialLaw`
 as other material laws (like Brooks-Corey, VanGenuchten, ...) in DuMuX only deals with effective saturations.
 
-Verify your changes by recompiling and running the program. You should see a plot of your new function.
+* Verify your changes by recompiling and running the program. You should see a plot of your new function.
 
-For the next task disable the plotting feature by changing the settings in the input file `exercise2.input`
+For the next task, disable the plotting feature by changing the settings in the input file `exercise2.input`
 
 ```ini
 [Problem]
@@ -97,7 +98,7 @@ OnlyPlotMaterialLaws = false
 ### Task 4: Enable/Disable Gravity -> DuMuX parameters
 <hr>
 
-DuMuX has many parameters that have default values. For example, per default all simulation consider gravity effects.
+DuMuX has many parameters that have default values. For example, all simulations consider gravity effects by default.
 You can disable gravity for a study, simply by setting the parameter in the input file
 
 ```ini
@@ -108,7 +109,7 @@ EnableGravity = false
 Run the simulation with and without gravity. Change the `Problem.Name` parameter to create output files with different
 names. Compare the results using paraview. You should immediately see the difference.
 
-A list of parameters that can be set through the input file are given [here](http://www.dumux.org/doxygen-stable/html-2.11/a06387.php).
+A list of parameters that can be set through the input file is given [here](http://www.dumux.org/doxygen-stable/html-2.11/a06387.php).
 
 
 <hr><br><br>
@@ -142,7 +143,7 @@ MyTwoPTwoCLocalResidual()
 
 * Verify you are using the new class by compiling and running the new program and inspecting the terminal output.
 
-You want to make the new local residual special by adding a switch enabling / disabling diffusion. We will achieve this with a DuMuX parameter, a parameter read from the input file that defaults to a property value if the input file doesn't contain the parameter.
+You want to make the new local residual special by adding a switch enabling / disabling diffusion. We will achieve this with a DuMuX parameter which is read from the input file and defaults to a property value if the input file doesn't contain the parameter.
 
 * Create a new `TypeTag` node, a new `PropertyTag`, and set a default in the `mylocalresidual.hh` file by adding
 
@@ -193,6 +194,8 @@ You can now enable and disable diffusion through the input file
 EnableDiffusion = true / false
 ```
 
-Verify the difference in the parameter $`x_w^{N2}`$, i.e. the mole fraction of nitrogen in the
-water phase, with and without diffusion. Note that due to diffusion being a slow process you
+* Verify the difference in the parameter $`x_w^{N2}`$, i.e. the mole fraction of nitrogen in the
+water phase, with and without diffusion.
+
+Note that due to diffusion being a slow process you
 can only see the difference in later times.