diff --git a/writer/html.md b/writer/html.md
index 964ac88..a8bb553 100644
--- a/writer/html.md
+++ b/writer/html.md
@@ -83,7 +83,7 @@ Along with plaintext and Markdown, you can also format text on WriteFreely with
Link
-## Multimedia
+## Video
```
@@ -91,6 +91,8 @@ Along with plaintext and Markdown, you can also format text on WriteFreely with
+## Iframe
+
```
@@ -98,6 +100,8 @@ Along with plaintext and Markdown, you can also format text on WriteFreely with
+## Audio
+
```
@@ -105,6 +109,7 @@ Along with plaintext and Markdown, you can also format text on WriteFreely with
+## Image
```
