diff --git a/guide/src/SUMMARY.md b/guide/src/SUMMARY.md
index 3922ef00b2..54c6a17137 100644
--- a/guide/src/SUMMARY.md
+++ b/guide/src/SUMMARY.md
@@ -24,7 +24,7 @@
   - [Class Object](./types/class_object.md)
   - [Closure](./types/closure.md)
   - [Functions & methods](./types/functions.md)
-  - [Async futures](./macros/async_impl.md)
+  - [Async futures](./types/async_impl.md)
 - [Macros](./macros/index.md)
   - [Module](./macros/module.md)
   - [Function](./macros/function.md)
diff --git a/guide/src/types/async_impl.md b/guide/src/types/async_impl.md
new file mode 120000
index 0000000000..73fe7ff855
--- /dev/null
+++ b/guide/src/types/async_impl.md
@@ -0,0 +1 @@
+../macros/async_impl.md
\ No newline at end of file