typo fixes for installation doc (#1231)

docs/source/installation/from_wheels.rst

@@ -31,16 +31,20 @@ we can use one of the following methods:
 
    # method 1
    pip install torch==2.0.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
-   pip install k2==1.24.3.dev20230719+cpu.torch2.0.1 -f https://k2-fsa.github.io/k2/cuda.html
+   pip install k2==1.24.3.dev20230719+cpu.torch2.0.1 -f https://k2-fsa.github.io/k2/cpu.html
 
    # method 2
    pip install torch==2.0.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
    wget https://huggingface.co/csukuangfj/k2/resolve/main/cpu/k2-1.24.3.dev20230719+cpu.torch2.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
    pip install ./k2-1.24.3.dev20230719+cpu.torch2.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
 
+.. hint::
+
+   You can visit `<https://k2-fsa.github.io/k2/cpu.html>`_ to see avaiable versions of `k2`_.
+
 
 macOS (CPU) example
-^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^
 
 Suppose we want to use the following wheel:
 
@@ -54,15 +58,19 @@ we can use the following methods:
 
    # method 1
    pip install torch==2.0.1
-   pip install k2==1.24.3.dev20230720+cpu.torch2.0.1
+   pip install k2==1.24.3.dev20230720+cpu.torch2.0.1 -f https://k2-fsa.github.io/k2/cpu.html
 
    # method 2
    pip install torch==2.0.1
    wget https://huggingface.co/csukuangfj/k2/resolve/main/macos/k2-1.24.3.dev20230720+cpu.torch2.0.1-cp38-cp38-macosx_10_9_x86_64.whl
    pip install ./k2-1.24.3.dev20230720+cpu.torch2.0.1-cp38-cp38-macosx_10_9_x86_64.whl
 
+.. hint::
+
+   You can visit `<https://k2-fsa.github.io/k2/cpu.html>`_ to see avaiable versions of `k2`_.
+
 Windows (CPU) example
-^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^
 
 Suppose we want to install the following wheel
 
@@ -76,7 +84,7 @@ we can use the one of the following methods:
 
    # method 1
    pip install torch==2.0.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
-   pip install k2==1.24.3.dev20230720+cpu.torch2.0.1
+   pip install k2==1.24.3.dev20230720+cpu.torch2.0.1 -f https://k2-fsa.github.io/k2/cpu.html
 
    # method 2
    pip install torch==2.0.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
@@ -88,6 +96,10 @@ we can use the one of the following methods:
    If you want to build `k2`_ with CUDA support on Windows, please consider compiling
    `k2`_ from source.
 
+.. hint::
+
+   You can visit `<https://k2-fsa.github.io/k2/cpu.html>`_ to see avaiable versions of `k2`_.
+
 Linux (CUDA) example
 ^^^^^^^^^^^^^^^^^^^^
 
@@ -103,9 +115,13 @@ we can use the following methods:
 
    # method 1
    pip install torch==2.0.1+cu117 -f https://download.pytorch.org/whl/torch_stable.html
-   pip install k2==1.24.3.dev20230718+cuda11.7.torch2.0.1
+   pip install k2==1.24.3.dev20230718+cuda11.7.torch2.0.1 -f https://k2-fsa.github.io/k2/cuda.html
 
    # method 2
    pip install torch==2.0.1+cu117 -f https://download.pytorch.org/whl/torch_stable.html
    wget https://huggingface.co/csukuangfj/k2/resolve/main/cuda/k2-1.24.3.dev20230718+cuda11.7.torch2.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
    pip install ./k2-1.24.3.dev20230718+cuda11.7.torch2.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
+
+.. hint::
+
+   You can visit `<https://k2-fsa.github.io/k2/cuda.html>`_ to see avaiable versions of `k2`_.