diff --git a/.github/workflows/build-doc.yml b/.github/workflows/build-doc.yml
index 869b5c4..3bb1e13 100644
--- a/.github/workflows/build-doc.yml
+++ b/.github/workflows/build-doc.yml
@@ -52,6 +52,8 @@ jobs:
           cd doc
           python3 -m pip install -r ./requirements.txt
           make html
+          cp source/cpu.html build/html/
+          cp source/cuda.html build/html/
           touch build/html/.nojekyll
 
       - name: Deploy
diff --git a/doc/source/usage/fbank_options.rst b/doc/source/usage/fbank_options.rst
index d9adc2d..c30c3e9 100644
--- a/doc/source/usage/fbank_options.rst
+++ b/doc/source/usage/fbank_options.rst
@@ -10,7 +10,6 @@ The following code shows how to construct an instance of `kaldifeat.FbankOptions
 .. literalinclude:: ./code/fbank_options-1.txt
    :caption: Usage of `kaldifeat.FbankOptions`_
    :emphasize-lines: 6,8,22,37
-   :language: python
 
 Note that we reuse the same option name with `compute-fbank-feats`_ from `Kaldi`_: