diff --git a/docs/src/diagnostics.md b/docs/src/diagnostics.md
index a015fbebf8..9603c8197c 100644
--- a/docs/src/diagnostics.md
+++ b/docs/src/diagnostics.md
@@ -51,7 +51,7 @@ To configure, use
 
 ```json5
 "project_panel": {
-  "diagnostics": "all",
+  "show_diagnostics": "all",
 }
 ```