message: Update src/build/emitter.ts
diff: @@ -853,7 +853,7 @@ export function emitWebIdl(
  comments.push(deprecated);
  }
  if (entity.secureContext) {
  - comments.push("Available only on secure context.");
  + comments.push("Available only in secure contexts.");
  }
  if (comments.length > 1) {
  