Adding extra info about setting custom rules with fortitude

Author: connoraird

formatting/fortitude.md

@@ -6,7 +6,8 @@ A tool for installing, i.e. `pip` or `homebrew`
 
 ## Installation
 
-To install fortitude we can utilise the provided `pyproject.toml` by following the instructions in [the pre-commit install instructions](../README.md#pre-commit). The [quickstart page](https://fortitude.readthedocs.io/en/stable/#quickstart) for Fortitude details multiple other ways of installing the tool.
+To install fortitude we can utilise the provided `pyproject.toml` by following the instructions in [the pre-commit install instructions](../README.md#pre-commit).
+The [quickstart page](https://fortitude.readthedocs.io/en/stable/#quickstart) for Fortitude details multiple other ways of installing the tool.
 
 ## Usage in this repo
 
@@ -16,7 +17,10 @@ This repo has been formatted with Fortitude. To check this repo with Fortitude,
 fortitude --config-file formatting/fortitude.toml check
 ```
 
-The config file, [fortitude.toml](./fortitude.toml), we have provided in the above command contains our rules which alter the [default fortitude rules](https://fortitude.readthedocs.io/en/stable/rules/).
+The config file, [fortitude.toml](./fortitude.toml), we have provided in the above command contains our rules which alter the 
+[default fortitude rules](https://fortitude.readthedocs.io/en/stable/rules/). 
+
+
 
 ### pre-commit
 

formatting/fortitude.toml

@@ -1,5 +1,9 @@
 [check]
+# A set of rules we ignore. Fortitude will not enforce these rules.
 ignore = [
     "C003", # 'implicit none' missing 'external'
 ]
+
+# A custom maxmum line length for our repo which will effect the 
+# behaviour of rule S001	(line-too-long)
 line-length = 132