changing default branch from main to master in github code example

Example 1: set the default branch to main

git config --global init.defaultBranch main

Example 2: change default branch github

On GitHub, navigate to the main page of the repository.
Under your repository name, click Settings.
In the left menu, click Branches.
Under "Default branch", to the right of the default branch name, click .
Use the drop-down, then click a branch name.
Click Update.