diff --git a/doc/api/buffer.md b/doc/api/buffer.md
index 133e5f8a17..34e4084532 100644
--- a/doc/api/buffer.md
+++ b/doc/api/buffer.md
@@ -513,7 +513,7 @@ added:
 Returns a promise that fulfills with an {ArrayBuffer} containing a copy of
 the `Blob` data.
 
-#### `blob.bytes()`
+### `blob.bytes()`
 
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 added: