diff --git a/src/api/sfc-spec.md b/src/api/sfc-spec.md
index bf198be682..3e08d89203 100644
--- a/src/api/sfc-spec.md
+++ b/src/api/sfc-spec.md
@@ -34,7 +34,7 @@ export default {
 
 ### `<template>`
 
-- Each `*.vue` file can contain at most one `<template>` block at a time.
+- Each `*.vue` file can contain at most one top-level `<template>` block at a time.
 
 - Contents will be extracted and passed on to `@vue/compiler-dom`, pre-compiled into JavaScript render functions, and attached to the exported component as its `render` option.