Update README

README.md

@@ -2,11 +2,17 @@
 
 This plugin allows vim to use [Racer](http://github.com/phildawes/racer) for Rust code completion and navigation.
 
+**Note**: Active development on vim-racer has stopped. The only future changes
+will be bug fixes.  You should use LSP plugins(vim-lsp, nvim-lspconfig)
+instead.
+
+
 ## Installation
 
 1. Build / Install [Racer](http://github.com/phildawes/racer)
 
-2. Install using Pathogen, Vundle or NeoBundle. Or, copy `ftplugin/rust_racer.vim` into your `~/.vim/plugin` directory.
+2. Install using Pathogen, Vundle or NeoBundle. Or, copy
+   `ftplugin/rust_racer.vim` into your `~/.vim/plugin` directory.
 
   Vundle users:
   ```
@@ -28,15 +34,21 @@ This plugin allows vim to use [Racer](http://github.com/phildawes/racer) for Rus
   git clone --depth=1 https://github.com/racer-rust/vim-racer.git ~/.vim/bundle/vim-racer
   ```
 
-3. Add `g:racer_cmd` to your `.vimrc`. It contains full path to `racer` executable file.
-Variable `g:racer_cmd` is optional. You do not need to use this variable if the executable file is in a directory that is specified in `$PATH`, else you should specified full path to `racer` executable binary file in this `g:racer_cmd`. Also it's worth turning on 'hidden' mode for buffers otherwise you need to save the current buffer every time you do a goto-definition. E.g.:
+3. Add `g:racer_cmd` to your `.vimrc`. It contains full path to `racer`
+   executable file.  Variable `g:racer_cmd` is optional. You do not need to use
+   this variable if the executable file is in a directory that is specified in
+   `$PATH`, else you should specified full path to `racer` executable binary
+   file in this `g:racer_cmd`. Also it's worth turning on 'hidden' mode for
+   buffers otherwise you need to save the current buffer every time you do a
+   goto-definition. E.g.:
 
   ```
   set hidden
   let g:racer_cmd = "/home/user/.cargo/bin/racer"
   ```
 
-4. If you want completions to show the complete function definition (e.g. its arguments and return type), enable the experimental completer:
+4. If you want completions to show the complete function definition (e.g. its
+   arguments and return type), enable the experimental completer:
 
   ```
   let g:racer_experimental_completer = 1
@@ -53,11 +65,11 @@ Variable `g:racer_cmd` is optional. You do not need to use this variable if the
 vim-racer enables `C-x-C-o` to search for completions and provides several
 `<Plug>` mappings for source code navigation. These mappings are not enabled by
 default but you can easily use them by adding the following lines to your
-`.vimrc` (Or `init.vim` in case of Neovim). 
+`.vimrc` (Or `init.vim` in case of Neovim).
 
-For example, with the following mappings you can navigate to the identifier under
-the cursor and open it on the current buffer, on an horizontal or vertical split, on a new tab,
-or go straight to the documentation:
+For example, with the following mappings you can navigate to the identifier
+under the cursor and open it on the current buffer, on an horizontal or
+vertical split, on a new tab, or go straight to the documentation:
 
 ```
 augroup Racer