[docs] minor docs improvements (#4938)

* Update README.rst

* Update FAQ.rst

docs/FAQ.rst

@@ -23,6 +23,8 @@ You may also ping a member of the core team according to the relevant area of ex
 -  `@guolinke <https://github.com/guolinke>`__ **Guolin Ke** (C++ code / R-package / Python-package)
 -  `@chivee <https://github.com/chivee>`__ **Qiwei Ye** (C++ code / Python-package)
 -  `@shiyu1994 <https://github.com/shiyu1994>`__ **Yu Shi** (C++ code / Python-package)
+-  `@tongwu-msft <https://github.com/tongwu-msft>`__ **Tong Wu** (C++ code / Python-package)
+-  `@hzy46 <https://github.com/hzy46>`__ **Zhiyuan He** (C++ code / Python-package)
 -  `@btrotta <https://github.com/btrotta>`__ **Belinda Trotta** (C++ code)
 -  `@Laurae2 <https://github.com/Laurae2>`__ **Damien Soukhavong** (R-package)
 -  `@jameslamb <https://github.com/jameslamb>`__ **James Lamb** (R-package / Dask-package)
@@ -31,8 +33,6 @@ You may also ping a member of the core team according to the relevant area of ex
 -  `@henry0312 <https://github.com/henry0312>`__ **Tsukasa Omoto** (Python-package)
 -  `@StrikerRUS <https://github.com/StrikerRUS>`__ **Nikita Titov** (Python-package)
 -  `@huanzhang12 <https://github.com/huanzhang12>`__ **Huan Zhang** (GPU support)
--  `@tongwu-msft <https://github.com/tongwu-msft>`__ **Tong Wu** (C++ code / Python-package)
--  `@hzy46 <https://github.com/hzy46>`__ **Zhiyuan He** (C++ code / Python-package)
 
 Please include as much of the following information as possible when submitting a critical issue:
 

python-package/README.rst

@@ -30,7 +30,7 @@ For **Linux** users, **glibc** >= 2.14 is required. Also, in some rare cases, wh
 
 For **macOS** (we provide wheels for 3 newest macOS versions) users:
 
-- Starting from version 2.2.1, the library file in distribution wheels is built by the **Apple Clang** (Xcode_8.3.3 for versions 2.2.1 - 2.3.1, Xcode_9.4.1 for versions 2.3.2 - 3.3.1 and Xcode_10.3 from version 4.0.0) compiler. This means that you don't need to install the **gcc** compiler anymore. Instead of that you need to install the **OpenMP** library, which is required for running LightGBM on the system with the **Apple Clang** compiler. You can install the **OpenMP** library by the following command: ``brew install libomp``.
+- Starting from version 2.2.1, the library file in distribution wheels is built by the **Apple Clang** (Xcode_8.3.3 for versions 2.2.1 - 2.3.1, Xcode_9.4.1 for versions 2.3.2 - 3.3.2 and Xcode_10.3 from version 4.0.0) compiler. This means that you don't need to install the **gcc** compiler anymore. Instead of that you need to install the **OpenMP** library, which is required for running LightGBM on the system with the **Apple Clang** compiler. You can install the **OpenMP** library by the following command: ``brew install libomp``.
 
 - For version smaller than 2.2.1 and not smaller than 2.1.2, **gcc-8** with **OpenMP** support must be installed first. Refer to `Installation Guide <https://github.com/microsoft/LightGBM/blob/master/docs/Installation-Guide.rst#gcc>`__ for installation of **gcc-8** with **OpenMP** support.