diff --git a/bytes/concat.ts b/bytes/concat.ts
index 3132cc993..5d1a00467 100644
--- a/bytes/concat.ts
+++ b/bytes/concat.ts
@@ -5,7 +5,7 @@
  * Concatenate an array of byte slices into a single slice.
  *
  * @param buffers Array of byte slices to concatenate.
- * @returns Hello
+ * @returns A new byte slice containing all the input slices concatenated.
  *
  * @example Basic usage
  * ```ts