Update README.md

README.md

@@ -25,7 +25,7 @@ python3 -m pip install taichi-nightly-cuda-10-1
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-**High-Performance Computation on Sparse Data Structures** [[Paper]](http://taichi.graphics/wp-content/uploads/2019/09/taichi_lang.pdf) [[Video]](https://youtu.be/wKw8LMF3Djo) [[Language Details]](https://github.com/yuanming-hu/taichi/blob/master/python/taichi/README.md) [[Taichi Compiler Developer Installation]](https://taichi.readthedocs.io/en/latest/dev_install.html)
+**High-Performance Computation on Sparse Data Structures** [[Paper]](http://taichi.graphics/wp-content/uploads/2019/09/taichi_lang.pdf) [[Video]](https://youtu.be/wKw8LMF3Djo) [[Language Details]](https://taichi.readthedocs.io/en/latest/hello.html) [[Taichi Compiler Developer Installation]](https://taichi.readthedocs.io/en/latest/dev_install.html)
 
 ## Short-term goals (by the end of Dec 2019)
 - Fully implement the LLVM backend to replace the legacy source-to-source C++/CUDA backends