diff --git a/docs/concepts/09-serializing.md b/docs/concepts/09-serializing.md
index b758e00b9..193dbb78d 100644
--- a/docs/concepts/09-serializing.md
+++ b/docs/concepts/09-serializing.md
@@ -166,7 +166,7 @@ const deserialize = el => {
   }
 
   const children = Array.from(el.childNodes).map(deserialize)
-  
+
   if (children.length === 0) {
     children = [{ text: '' }]
   }