diff --git a/docs/ref-08-reconciliation.md b/docs/ref-08-reconciliation.md
index fc33ed68..7256c1eb 100644
--- a/docs/ref-08-reconciliation.md
+++ b/docs/ref-08-reconciliation.md
@@ -76,7 +76,7 @@ After the attributes have been updated, we recurse on all the children.
 
 ### Custom Components
 
-We decided that the two custom components are the same. Since components are stateful, we cannot just use the new component and call it a day. React takes all the attributes from the new component and call `component[Will/Did]ReceiveProps()` on the previous one.
+We decided that the two custom components are the same. Since components are stateful, we cannot just use the new component and call it a day. React takes all the attributes from the new component and calls `component[Will/Did]ReceiveProps()` on the previous one.
 
 The previous component is now operational. Its `render()` method is called and the diff algorithm restarts with the new result and the previous result.