Applied previously-unfollowed line length limit

fixes some CI linter

Author: toastal

data/tutorials/platform/1_07_code_formatting.md

@@ -9,19 +9,24 @@ category: "Editor Support"
 
 ## Using OCamlFormat
 
-Automatic formatting with OCamlFormat requires an `.ocamlformat` configuration file at the root of the project.
+Automatic formatting with OCamlFormat requires an `.ocamlformat` configuration
+file at the root of the project.
 
-An empty file is accepted, but since different versions of OCamlFormat will vary in formatting, it
-is good practice to specify the version you're using. Running
+An empty file is accepted, but since different versions of OCamlFormat will
+vary in formatting, it is good practice to specify the version you're using.
+Running
 
 ```shell
-$ echo "version = `ocamlformat --version`" > .ocamlformat
+echo "version = `ocamlformat --version`" > .ocamlformat
 ```
 
-creates a configuration file for the currently installed version of OCamlFormat.
+creates a configuration file for the currently installed version of
+OCamlFormat.
 
-In addition to editor plugins that use OCamlFormat for automatic code formatting, Dune also offers a command to run OCamlFormat to automatically format all files from your codebase:
+In addition to editor plugins that use OCamlFormat for automatic code
+formatting, Dune also offers a command to run OCamlFormat to automatically
+format all files from your codebase:
 
 ```shell
-$ opam exec -- dune fmt
-```
+opam exec -- dune fmt
+```