diff --git a/packages/runtime-core/src/featureFlags.ts b/packages/runtime-core/src/featureFlags.ts
index e04c352c577..e878407bcc8 100644
--- a/packages/runtime-core/src/featureFlags.ts
+++ b/packages/runtime-core/src/featureFlags.ts
@@ -29,7 +29,7 @@ export function initFeatureFlags() {
         `which expects these compile-time feature flags to be globally injected ` +
         `via the bundler config in order to get better tree-shaking in the ` +
         `production bundle.\n\n` +
-        `For more details, see http://link.vuejs.org/feature-flags.`
+        `For more details, see https://link.vuejs.org/feature-flags.`
     )
   }
 }