1 files changed, 3 insertions, 0 deletions
diff --git a/AGENTS.md b/AGENTS.md
index 8459d6d..5ac922d 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -194,6 +194,9 @@ internal/web/         server.go (host router, middleware, render helpers)
   thumbnail. `TagHash` lists tags as `#name` wherever they appear: the
   `posttags` partial (takes `dict "tags" … "hash" …`), the two tag modules
   and the tag page title (`tagname` template func).
+  `Font`/`HeadingFont` `fira` is Fira Code, the one built-in choice that is a
+  web font: `static/FiraCode-VF.woff2` (the variable face, OFL — licence in
+  `static/FiraCode-LICENSE.txt`), declared as `@font-face` when `UsesFira`.
   **Custom fonts** (`CustomFont`, `CustomHeadingFont`: font file ids or ""):
   a chosen file is declared as `@font-face` (`"BlogFont"` / `"BlogHeadingFont"`,
   `src:url(/media/<id>)`, same-origin so no CORS) and put first in the stack,