Update README.md

Author: JuiceyBeans

README.md

@@ -13,7 +13,7 @@ Unfortunately, there isn't any official documentation so far for making GregTech
 
 Repositories for other addons:
 
-- [CosmicCore](https://github.com/Frontiers-PackForge/CosmicCore)
+- [GT Community Additions](https://github.com/mordgren/GTCA)
 - [Gregtech: Extended Chemistry Extended](https://github.com/jmoiron/Gregtech-Extended-Chemistry)
 - [GCYLM](https://github.com/eve336/gcylm)
 - [Gregicality Rocketry](https://github.com/Argent-Matter/gcyr/)
@@ -35,4 +35,4 @@ Additionally, you may be able to find help on the [GregTech CEu Discord](https:/
   - Typing in `gradlew.bat :spotlessApply` if you're on Windows
   - Typing in `bash gradlew :spotlessApply` if you're on Linux
 ### 4. So how do I check if Spotless has been applied to my code?
-- Running `spotlessApply` will format all files for you automatically! If you want GitHub to check each commit for if Spotless has been run, you can add [this](https://github.com/Frontiers-PackForge/CosmicCore/blob/main-1.20.1-forge/.github/workflows/spotless.yml) and [this](https://github.com/Frontiers-PackForge/CosmicCore/blob/main-1.20.1-forge/.github/actions/build_setup/action.yml) to your project
+- Running `spotlessApply` will format all files for you automatically! If you want GitHub to check each commit for if Spotless has been run, you can add [this](https://github.com/Frontiers-PackForge/CosmicCore/blob/main-1.20.1-forge/.github/workflows/spotless.yml) and [this](https://github.com/Frontiers-PackForge/CosmicCore/blob/main-1.20.1-forge/.github/actions/build_setup/action.yml) to your project