diff --git a/README.md b/README.md
index ddde232..eb1619e 100644
--- a/README.md
+++ b/README.md
@@ -136,7 +136,7 @@ This downloads the extension code to a `silent-send` folder on your computer.
 
 ### Chrome
 
-1. Open `chrome://extensions/` in Chrome
+1. Open `chrome://extensions/` in Chrome (or `brave://extensions/` in Brave)
 2. Enable **Developer mode** (toggle in the top right corner)
 3. Click **Load unpacked**
 4. Navigate to the `silent-send` folder you cloned and select it
@@ -144,6 +144,8 @@ This downloads the extension code to a `silent-send` folder on your computer.
 
 That's it for Chrome. No build step, no account, no store, no fees.
 
+> **Important:** After reloading the extension (e.g. after a code update), you must **refresh any open AI chat tabs** (F5 or Ctrl+R). The old content script keeps running until the page is refreshed.
+
 ### Firefox (signed, persistent)
 
 Firefox requires extensions to be cryptographically signed before it will permanently install them. Mozilla provides free signing — no store listing, no review process, no fees. You just need a free Firefox account.