update instructions

Author: cyclotruc

CONTRIBUTING.md

@@ -50,13 +50,13 @@ Thanks for your interest in contributing to Gitingest! 🚀 Gitingest aims to be
 
 8. Run the app locally to test your changes:
 
-   1. Build the Docker image
+   1. Navigate to src folder
 
         ``` bash
         cd src
         ```
 
-   2. Run the Docker container:
+   2. Run the local web server:
 
       ``` bash
       uvicorn server.main:app