diff --git a/README.md b/README.md
index 724ca6511db..1d0b8ccd037 100644
--- a/README.md
+++ b/README.md
@@ -5,12 +5,12 @@ In other words, ClPy enables softwares written in CuPy to work also on OpenCL de
 
 ## Current status
 
-Current ClPy is alpha version, forked from [CuPy v2.1.0](https://github.com/cupy/cupy/releases/tag/v2.1.0).
+Current ClPy is beta version, forked from [CuPy v2.1.0](https://github.com/cupy/cupy/releases/tag/v2.1.0).
 ClPy is still under development and works on only limited APIs.
 
 * Basic [ndarray](https://docs-cupy.chainer.org/en/stable/reference/ndarray.html) are supported, but not perfectly
 * Basic [universal functions](https://docs-cupy.chainer.org/en/stable/reference/ufunc.html) are supported, but not perfectly
-* Simple [custom kernels](https://docs-cupy.chainer.org/en/stable/reference/kernel.html) are supported, but some custom kernel codes might be fail to compile and/or run
+* Most of [custom kernels](https://docs-cupy.chainer.org/en/stable/reference/kernel.html) are supported, but some custom kernel codes might be fail to compile and/or run
 * Only SGEMM is supported in BLAS library
 * Sparse matrix, dnn, rand libraries are not supported
 * half and complex are not supported
@@ -21,7 +21,7 @@ ClPy is still under development and works on only limited APIs.
 Original CuPy's tests are not passed perfectly. See current [CuPy's test and example results](https://github.com/fixstars/ClPy/wiki/cupy_test_example_results).
 
 [Chainer](https://chainer.org/) works with limited situation.
-Very simple and small examples are confirmed to work. See current [Chainer's test and example results](https://github.com/fixstars/ClPy/wiki/chainer_test_example_results).
+Some examples are confirmed to work. See current [Chainer's test and example results](https://github.com/fixstars/ClPy/wiki/chainer_test_example_results).
 
 ## Recommended system
 
@@ -42,7 +42,10 @@ We recommend those environments to all ClPy users. However, reports on other env
 
 ## Installation
 
-First, install and setup OpenCL environment.
+### Setup OpenCL
+
+Install and setup OpenCL environment.
+
 `cl.h` and OpenCL libs (`libOpenCL.so`) must be able to be included and linked without any special path settings.
 
 For example with AMD APP SDK, you should set following environment variables:
@@ -55,7 +58,8 @@ export LIBRARY_PATH=${LIBRARY_PATH}:${AMDAPPSDKROOT}/lib/x86_64
 
 and add ldconfig on `/etc/ldconf.so.d/` and `$ sudo ldconfig`.
 
-Second, install LLVM/Clang.
+### Install LLVM/Clang
+
 Current ClPy requires LLVM/Clang 4.0, 5.0, or 6.0.
 We **strongly** recommend that you build LLVM/Clang from the source codes and install it.
 However, at least in Ubuntu 16.04, you can use the LLVM/Clang from the Ubuntu official package repository.
@@ -67,6 +71,8 @@ $ export PATH=/usr/lib/llvm-6.0/bin:$PATH
 $ export CPLUS_INCLUDE_PATH=/usr/lib/llvm-6.0/include:$CPLUS_INCLUDE_PATH
 ```
 
+### Install ClPy
+
 After OpenCL and LLVM/Clang is successfully installed, install ClPy.
 
 ```console
@@ -76,15 +82,15 @@ $ python setup.py install
 
 ## How to use
 
-Just replace `cupy` to `clpy` in your python codes and run it (e.g. `import cupy` -> `import clpy`).
-
-You don't need to replace all cuda imports, if you add `import clpy` before `import cupy` in your python codes.
-(`import clpy` add import hook. The hook will import clpy when `imoprt cupy` is called.)
-If you want to switch clpy and cupy without changing source code,
-set `export CLPY_NOT_HOOK_CUPY=1` before execution and disable hook.
+Run your CuPy code with `-m clpy` option ( e.g. `python -m clpy /path/to/chainer/examples/mnist/train_mnist.py -g0`).
+This option adds aliases to CuPy by hooking `import cupy` and call ClPy through `cupy.foobar`.
+You don't need to modify any your codes.
 
-Or you don't need to replace any codes, if you run your python code with `-m clpy` option ( e.g. `python -m clpy /path/to/chainer/examples/mnist/train_mnist.py -g0`).
+If you don't want to run with `-m` option, you must add `import clpy` before `import cupy` in your codes.
+`import clpy` adds the aliases same as `-m clpy`.
 
+If you want to disable such aliases, set `export CLPY_NOT_HOOK_CUPY=1` before execution.
+Then, you need to replace `cupy` to `clpy` in your all codes (e.g. `import cupy` -> `import clpy`).
 
 ### Woking with Chainer
 
@@ -106,19 +112,17 @@ $ python -m pytest test_you_want.py
 
 ## Future plan
 
-We are developing v0.2.1beta for next release.
+We are developing v0.2.1beta1 for next release.
 
-* Support Chainer's ImageNet example
-* OpenCL version check and auto generated `api.pxd` from `cl.h` in the system
 * Map buffer for host memory
-* Support all BLAS API
-* Improve `cupy` aliasing mechanism
-* Update recommended system (Vega and Volta)
+* Support all BLAS APIs and accelerate them
+* Multiple devices
+* Multiple CommandQueue (Stream)
 * -- and other functions and/or bug fixes that someone develops and/or requests..
 
-We also plan to update CuPy's base version to v4 or v5 after above beta release.
+We also plan to update CuPy's base version to v4 or v5 after beta release.
 
-Check github's issues and pull requests to get latest status.
+Check [github's issues and pull requests ](https://github.com/fixstars/clpy/issues) to get latest status.
 
 ## License
 
diff --git a/clpy/_version.py b/clpy/_version.py
index 2d0eb4d86b7..b573ee06c53 100644
--- a/clpy/_version.py
+++ b/clpy/_version.py
@@ -1 +1 @@
-__version__ = '2.1.0a0'
+__version__ = '2.1.0b0'