diff --git a/doc/api/buffer.md b/doc/api/buffer.md
index f033f8a20ae9dc..0d7dee9df4528a 100644
--- a/doc/api/buffer.md
+++ b/doc/api/buffer.md
@@ -384,7 +384,7 @@ changes:
   [`SharedArrayBuffer`][] or the `.buffer` property of a [`TypedArray`][].
 * `byteOffset` {integer} Index of first byte to expose. **Default:** `0`.
 * `length` {integer} Number of bytes to expose.
-  **Default:** `arrayBuffer.length - byteOffset`.
+  **Default:** `arrayBuffer.byteLength - byteOffset`.
 
 This creates a view of the [`ArrayBuffer`][] or [`SharedArrayBuffer`][] without
 copying the underlying memory. For example, when passed a reference to the
@@ -830,7 +830,7 @@ added: v5.10.0
   [`SharedArrayBuffer`][], or the `.buffer` property of a [`TypedArray`][].
 * `byteOffset` {integer} Index of first byte to expose. **Default:** `0`.
 * `length` {integer} Number of bytes to expose.
-  **Default:** `arrayBuffer.length - byteOffset`.
+  **Default:** `arrayBuffer.byteLength - byteOffset`.
 
 This creates a view of the [`ArrayBuffer`][] without copying the underlying
 memory. For example, when passed a reference to the `.buffer` property of a