diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 05832b2d5b..8f699220c7 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -3630,10 +3630,11 @@ function wp_read_video_metadata( $file ) {
 	 *
 	 * @since 4.9.0
 	 *
-	 * @param array  $metadata    Filtered video metadata.
-	 * @param string $file        Path to video file.
-	 * @param string $file_format File format of video, as analyzed by getID3.
-	 * @param array  $data        Raw metadata from getID3.
+	 * @param array       $metadata    Filtered video metadata.
+	 * @param string      $file        Path to video file.
+	 * @param string|null $file_format File format of video, as analyzed by getID3.
+	 *                                 Null if unknown.
+	 * @param array       $data        Raw metadata from getID3.
 	 */
 	return apply_filters( 'wp_read_video_metadata', $metadata, $file, $file_format, $data );
 }
@@ -3712,10 +3713,11 @@ function wp_read_audio_metadata( $file ) {
 	 *
 	 * @since 6.1.0
 	 *
-	 * @param array  $metadata    Filtered audio metadata.
-	 * @param string $file        Path to audio file.
-	 * @param string $file_format File format of audio, as analyzed by getID3.
-	 * @param array  $data        Raw metadata from getID3.
+	 * @param array       $metadata    Filtered audio metadata.
+	 * @param string      $file        Path to audio file.
+	 * @param string|null $file_format File format of audio, as analyzed by getID3.
+	 *                                 Null if unknown.
+	 * @param array       $data        Raw metadata from getID3.
 	 */
 	return apply_filters( 'wp_read_audio_metadata', $metadata, $file, $file_format, $data );
 }
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c4e2a029de..3d3517c626 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53767';
+$wp_version = '6.1-alpha-53768';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.