《明史·志·卷二十五》
皇帝在祝文上亲自署名，派遣官员以更新确定的神号告祭。
帝躬署名于祝文，遣官以更定神号告祭。
The emperor personally signed the prayer text and sent officials to sacrifice to the newly confirmed gods.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 帝躬署名于祝文，遣官以更定神号告祭。 [/INST] The emperor personally signed the prayer text and sent officials to sacrifice to the newly confirmed gods.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 帝躬署名于祝文，遣官以更定神号告祭。
user
The emperor personally signed the prayer text and sent officials to sacrifice to the newly confirmed gods.
assistant