src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/stylesheet.css

*** 280,289 ****
--- 280,290 ----
      clear:both;
      padding:10px 20px;
      position:relative;
  }
  dl.notes > dt {
+     font-family: 'DejaVu Sans', Arial, Helvetica, sans-serif;
      font-size:12px;
      font-weight:bold;
      margin:10px 0 0 0;
      color:#4E4E4E;
  }