diff --git a/src/wp-includes/class-wp-block.php b/src/wp-includes/class-wp-block.php
index 90148f7613..33c0e6a355 100644
--- a/src/wp-includes/class-wp-block.php
+++ b/src/wp-includes/class-wp-block.php
@@ -277,7 +277,7 @@ class WP_Block {
 		 * @since 5.0.0
 		 * @since 5.9.0 The `$instance` parameter was added.
 		 *
-		 * @param string   $block_content The block content about to be appended.
+		 * @param string   $block_content The block content.
 		 * @param array    $block         The full block, including name and attributes.
 		 * @param WP_Block $instance      The block instance.
 		 */
@@ -292,7 +292,7 @@ class WP_Block {
 		 * @since 5.7.0
 		 * @since 5.9.0 The `$instance` parameter was added.
 		 *
-		 * @param string   $block_content The block content about to be appended.
+		 * @param string   $block_content The block content.
 		 * @param array    $block         The full block, including name and attributes.
 		 * @param WP_Block $instance      The block instance.
 		 */