Spellig error

Author: Dimitrios Adam

docs/documentation/case.md

@@ -1001,7 +1001,7 @@ When ``cyl_coord = 'T'`` is set in 2D the following constraints must be met:
 | `chem_params%diffusion`       | Logical | Enable multispecies diffusion                            |
 | `chem_params%reactions`       | Logical | Enable chemical reactions                                |
 | `chem_params%gamma_method`    | Integer | Methodology for calculating the heat capacity ratio      |
-| `chem_params%transport_model` | Integer | Methodology for calculating the diffusion coeffiecients  |
+| `chem_params%transport_model` | Integer | Methodology for calculating the diffusion coefficients   |
 | `cantera_file`                | String  | Cantera-format mechanism file (e.g., .yaml)              |
 
 - `chem_params%transport_model` specifies the methodology for calculating diffusion coefficients and other transport properties,`1` for mixture-average, `2` for Unity-Lewis