diff --git a/docs/ref-08-reconciliation.md b/docs/ref-08-reconciliation.md
index 1846c0a2..fbd342ef 100644
--- a/docs/ref-08-reconciliation.md
+++ b/docs/ref-08-reconciliation.md
@@ -116,7 +116,7 @@ renderB:
secondfirst [insertNode second]
```
-In practice, finding a key is not really hard. Most of the time, the element you are going to display already have a unique id. When it is not the case, you can hash some parts of the content to generate a key. Remember that the key only has to be unique among its sibling, not globally unique.
+In practice, finding a key is not really hard. Most of the time, the element you are going to display already has a unique id. When that's not the case, you can add a new ID property to your model or hash some parts of the content to generate a key. Remember that the key only has to be unique among its siblings, not globally unique.
## Trade-offs