update README

README.md

@@ -348,14 +348,14 @@ together. If you have multiple similar LSP installed and have trouble with the p
 Above servers covered a small part neovim lspconfig support, You can still use lspconfig to add and config servers not
 in the list. If you would like to add a server not in the list, you can check this PR https://github.com/ray-x/navigator.lua/pull/107
 
-Also, an option in setup:
+Alternatively, update following option in setup(if you do not want a PR):
 
 ```lua
 require'navigator'setup{lsp={servers={'cmake', 'lexls'}}}
 
 ```
 
-Above example add cmake and lexls to the default server list
+Above option add cmake and lexls to the default server list
 
 ### Disable a lsp client loading from navigator