diff --git a/files/en-us/web/html/element/summary/index.md b/files/en-us/web/html/element/summary/index.md
index 9436903ababdbf1..05d9faa88060592 100644
--- a/files/en-us/web/html/element/summary/index.md
+++ b/files/en-us/web/html/element/summary/index.md
@@ -60,9 +60,9 @@ A basic example showing the use of `` in a {{HTMLElement("details")}} e
{{EmbedLiveSample("Basic_example", 650, 120)}}
-### Summaries as headings
+### Summaries as headings
-You can use heading elements in ``, like this:
+You can use heading elements in ``, like this abc:
```html