diff --git a/AGENTS.md b/AGENTS.md
index 8ae767663..a646d39e9 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -92,3 +92,10 @@ next run.
   <https://api.slack.com/apps?new_app=1> (From a manifest), install it, copy its
   Bot User OAuth Token into the secret, and `/invite @Vercel build log` to the
   channel.
+
+## Branches
+
+- Prefix every branch with a name that identifies the human it belongs to
+  (first name, username, or nickname), then a slash:
+  `marc/fix-moved-page-links`. Agents use the name of the human they are
+  working for, never their own
diff --git a/README.md b/README.md
index 398d259ba..f622a84d1 100644
--- a/README.md
+++ b/README.md
@@ -80,11 +80,12 @@ All you need to do is:
 
 ### (Advanced) Local dev environment
 
-To add new or update existing docs content. Create a new branch and checkout by
-via:
+To add new or update existing docs content, create a new branch and check it
+out. Prefix the branch with a name that identifies you (first name, username,
+or nickname), so it's clear who owns each branch:
 
 ```sh
-git switch -c BRANCH_NAME_HERE
+git switch -c YOUR_NAME/BRANCH_NAME_HERE
 ```
 
 ### Folder structure