[Doc] Proofread Getting started (#4682)

* Proofread Getting started

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Updated backend sequence.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update index.md

* Format updates.

* minor format updates

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Bob Cao <bobcaocheng@gmail.com>

docs/lang/articles/contribution/dev_install.md

@@ -10,7 +10,7 @@ Developers who are interested in the compiler, computer graphics, or high-perfor
 
 :::danger IMPORTANT
 
-This installation guide is *NOT* intended for end users who only wish to do simulation or high performance numerical computation. We recommend that end users install Taichi via `pip install taichi` and that there is no need for you to build Taichi from source. Doing both at the same time may cause unnecessary conflicts.
+This installation guide is *NOT* intended for end users who only wish to do simulation or high performance numerical computation. We recommend that end users install Taichi via `pip install taichi` and that there is no need for you to build Taichi from source.
 
 See the [Get Started](https://docs.taichi.graphics/) for more information on quickly setting up Taichi for end users.