diff --git a/Home.md b/Home.md
index c881b6f..553c11f 100644
--- a/Home.md
+++ b/Home.md
@@ -7,6 +7,7 @@ Tools you should have ready:
   * `git config pull.rebase true`
   * `git config user.name “YourUserName”`
   * `git config user.email “YourEmail”`
+  * `git config --global init.defaultBranch main` # set default branch name to `main` instead of `master` for old clients
 * Your gtsplab.com email address
 * A github account signed up with that gtsplab.com address
 * Your GOGS account