Update Flakes.md Typos (#918)

## Summary

Fixes typos in Flakes guide

## How was it tested?

---------

Signed-off-by: John Lago <[email protected]>

Author: Lagoja

docs/app/docs/guides/using_flakes.md

@@ -27,18 +27,18 @@ You can add a Flake hosted on Github using the following string in your packages
 
 The Ref and Flake Attribute is optional and will default to the main branch and `packages.default|defaultPackage` attribute, respectively.
 
-For example, to install [Process Compose](https://github.com/F1bbonac1/process-compose) from its repository using Nix Flakes, you can use the following string in your packages list. This will install the latest version of Process Compose from the `main` branch.
+For example, to install [Process Compose](https://github.com/F1bonacc1/process-compose) from its repository using Nix Flakes, you can use the following string in your packages list. This will install the latest version of Process Compose from the `main` branch.
 
 ```nix
-github:F1bbonac1/process-compose
+github:F1bonacc1/process-compose
 ```
 
 ### Installing a Flake from a specific branch or tag
 
 You can install a specific release or branch by adding it to your flake reference. The following example will install Process Compose version 0.40.2 from the `v0.40.2` tag.
 
 ```nix
-github:F1bbonac1/process-compose/v0.40.2
+github:F1bonacc1/process-compose/v0.40.2
 ```
 
 ### Installing a specific attribute or package from a Flake