diff --git a/modules/lang/cc/README.org b/modules/lang/cc/README.org
index 47765a0b5e4..3244861aa14 100644
--- a/modules/lang/cc/README.org
+++ b/modules/lang/cc/README.org
@@ -210,7 +210,8 @@ Search for your combination of =(LSP client package, LSP server)=. You are using
                                 "--background-index"
                                 "--clang-tidy"
                                 "--completion-style=detailed"
-                                "--header-insertion=never"))
+                                "--header-insertion=never"
+                                "--header-insertion-decorators=0"))
 (after! lsp-clangd (set-lsp-priority! 'clangd 2))
 #+END_SRC