diff --git a/packages/gatsby/src/redux/actions.js b/packages/gatsby/src/redux/actions.js
index 5cdc6be8c9ca5..ac92991865f97 100644
--- a/packages/gatsby/src/redux/actions.js
+++ b/packages/gatsby/src/redux/actions.js
@@ -511,7 +511,7 @@ type CreateNodeInput = {
  * key on the extended node object.
  *
  * Once a plugin has claimed a field name the field name can't be used by
- * other plugins.  Also since node's are immutable, you can't mutate the node
+ * other plugins.  Also since nodes are immutable, you can't mutate the node
  * directly. So to extend another node, use this.
  * @param {Object} $0
  * @param {Object} $0.node the target node object