diff --git a/coc.nvim.md b/coc.nvim.md
index 18a29c9..38707cd 100644
--- a/coc.nvim.md
+++ b/coc.nvim.md
@@ -13,6 +13,9 @@ Open config file with command `:CocConfig`
          "cache": {
            "directory": ".ccls-cache"
          }
+       },
+       "client": {
+         "snippetSupport": true
        }
     }
   }
@@ -21,6 +24,8 @@ Open config file with command `:CocConfig`
 
 <sub>Note: coc.nvim also supports [configuration from `.vimrc` instead](https://github.com/neoclide/coc.nvim/blob/f3f43f58543135495d411ed948ac9ba2eca0880a/doc/coc.txt#L1020).</sub>
 
+> more about initializationOptions, see src/config.hh in ccls source code
+
 First example:
 
 ```zsh
@@ -50,8 +55,6 @@ au CursorHoldI * sil call CocActionAsync('showSignatureHelp')
 
 ### Completion
 
-Install [coc-snippets](https://github.com/neoclide/coc-snippets) to enable LSP snippets.
-
 See [[client.snippetSupport and completion.placeholder|Customization#clientsnippetsupport]] for customization of snippet expansion.
 
 ### Cross reference extensions