diff --git a/src/guide/composition-api-introduction.md b/src/guide/composition-api-introduction.md
index da2e990b4c..c7c2fac41d 100644
--- a/src/guide/composition-api-introduction.md
+++ b/src/guide/composition-api-introduction.md
@@ -309,7 +309,7 @@ export default {
 }
 ```
 
-For more details on `watch`, refer to our [in-depth guide]().
+For more details on `watch`, refer to our [in-depth guide](reactivity-computed-watchers.md#watch).
 
 **Let’s now apply it to our example:**