Fix markdown line length limit and wording fix

docs/storage/flysystem.md

@@ -57,7 +57,9 @@ vich_uploader:
 ### Issues with adapters public url
 
 If you are using certain adapters like S3, Cloudflare, etc., the generated public URL for assets may be incorrect.
-To resolve this, you can create your own [custom storage](https://github.com/dustin10/VichUploaderBundle/blob/master/docs/storage/custom.md) by extending the existing FlysystemStorage and adding this function:
+To resolve this, you can create your own 
+[custom storage](https://github.com/dustin10/VichUploaderBundle/blob/master/docs/storage/custom.md) 
+by duplicating the existing FlysystemStorage and adding this function:
 
 ```php
     public function resolveUri(object|array $obj, ?string $fieldName = null, ?string $className = null): ?string
@@ -81,7 +83,8 @@ To resolve this, you can create your own [custom storage](https://github.com/dus
     }
 ```
 
-Be careful with that; if you have existing implementations, it can break them. See [there](https://github.com/dustin10/VichUploaderBundle/pull/1441).
+Be careful with that; if you have existing implementations, 
+it can break them. See [there](https://github.com/dustin10/VichUploaderBundle/pull/1441).
 
 ## Integrating with [oneup/flysystem-bundle](https://github.com/1up-lab/OneupFlysystemBundle)