diff --git a/docs/amo/README.md b/docs/amo/README.md
index afea415..7a3eba7 100644
--- a/docs/amo/README.md
+++ b/docs/amo/README.md
@@ -12,10 +12,12 @@ and call temporary chat and web search hints.
 
 ## Summary
 
-Plain text, 250 characters at most:
+Plain text, 250 characters at most. The summary isn't Markdown, and AMO escapes
+`<` and `>` in it, so `<Alt>` would show as `&lt;Alt&gt;`. The summary is the one
+place that writes the shortcut without angle brackets:
 
 ```text
-Ask ChatGPT from anywhere in Firefox. Type gpt in the address bar, right-click selected text, press <Alt>+<Shift>+G, or click the toolbar button. ChatGPT opens with your text filled in. Tiny, fast, no API key.
+Ask ChatGPT from anywhere in Firefox. Type gpt in the address bar, right-click selected text, press Alt+Shift+G, or click the toolbar button. ChatGPT opens with your text filled in. Tiny, fast, no API key.
 ```
 
 ## Description