diff --git a/lsp-log-streaming-sample/README.md b/lsp-log-streaming-sample/README.md
index 4fc3dedd..39cb8ac0 100644
--- a/lsp-log-streaming-sample/README.md
+++ b/lsp-log-streaming-sample/README.md
@@ -12,7 +12,7 @@ This is a repository adapted from [lsp-sample](https://github.com/Microsoft/vsco
 ## Synopsis
 
 - With `vscode-languageclient@5.1.0-next.9`, you can specify a JSON log output format with `[langId].trace.server` as follows:
-  ```json
+  ```jsonc
   "languageServerExample.trace.server": {
     "format": "json", // or "text"
     "verbosity": "verbose" // or "off" | "messages"
@@ -42,4 +42,4 @@ This is a repository adapted from [lsp-sample](https://github.com/Microsoft/vsco
 - As you are typing, doing auto-completion, many messages should show up in the inspector, such as
   - `textDocument/didChange`
   - `textDocument/completion`
-  - `textDocument/publishDiagnostics`
\ No newline at end of file
+  - `textDocument/publishDiagnostics`