diff --git a/lib/config/presets/internal/default.ts b/lib/config/presets/internal/default.ts
index eb48c14c8642a43da1f7fe51e00085f92281d078..1be643e67529673da5c20a2e9d79958d8f8737cd 100644
--- a/lib/config/presets/internal/default.ts
+++ b/lib/config/presets/internal/default.ts
@@ -552,7 +552,8 @@ export const presets: Record<string, Preset> = {
     ],
   },
   githubComToken: {
-    description: 'Use provided token for github.com lookups',
+    description:
+      'Use provided token for github.com lookups. Do not configure this if you are already running on github.com',
     hostRules: [
       {
         matchHost: 'github.com',