diff --git a/Debugging.md b/Debugging.md
index ecee40c..f4439f3 100644
--- a/Debugging.md
+++ b/Debugging.md
@@ -14,7 +14,7 @@ You can find stderr output in:
 
 * [[LanguageClient-neovim]]: `/tmp/LanguageServer.log` (default)
 * Emacs [[lsp-mode]]: `*lsp-ccls stderr*` buffer. They will also go to
-  `*message*` buffer if `(setq lsp-print-io t)`
+  `*message*` buffer if `(setq lsp-log-io t)`
 * VSCode: TODO
 
 ### Dump LSP requests/responses