diff --git a/wp-includes/blocks.php b/wp-includes/blocks.php
index b18e88d47b..04bc04cf72 100644
--- a/wp-includes/blocks.php
+++ b/wp-includes/blocks.php
@@ -717,8 +717,8 @@ function serialize_block( $block ) {
 }
 
 /**
- * Returns a joined string of the aggregate serialization of the given parsed
- * blocks.
+ * Returns a joined string of the aggregate serialization of the given
+ * parsed blocks.
  *
  * @since 5.3.1
  *
@@ -730,16 +730,17 @@ function serialize_blocks( $blocks ) {
 }
 
 /**
- * Filters and sanitizes block content to remove non-allowable HTML from
- * parsed block attribute values.
+ * Filters and sanitizes block content to remove non-allowable HTML
+ * from parsed block attribute values.
  *
  * @since 5.3.1
  *
  * @param string         $text              Text that may contain block content.
- * @param array[]|string $allowed_html      An array of allowed HTML elements
- *                                          and attributes, or a context name
- *                                          such as 'post'.
- * @param string[]       $allowed_protocols Array of allowed URL protocols.
+ * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
+ *                                          or a context name such as 'post'. See wp_kses_allowed_html()
+ *                                          for the list of accepted context names.
+ * @param string[]       $allowed_protocols Optional. Array of allowed URL protocols.
+ *                                          Defaults to the result of wp_allowed_protocols().
  * @return string The filtered and sanitized content result.
  */
 function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
@@ -755,16 +756,17 @@ function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols
 }
 
 /**
- * Filters and sanitizes a parsed block to remove non-allowable HTML from block
- * attribute values.
+ * Filters and sanitizes a parsed block to remove non-allowable HTML
+ * from block attribute values.
  *
  * @since 5.3.1
  *
  * @param WP_Block_Parser_Block $block             The parsed block object.
- * @param array[]|string        $allowed_html      An array of allowed HTML
- *                                                 elements and attributes, or a
- *                                                 context name such as 'post'.
- * @param string[]              $allowed_protocols Allowed URL protocols.
+ * @param array[]|string        $allowed_html      An array of allowed HTML elements and attributes,
+ *                                                 or a context name such as 'post'. See wp_kses_allowed_html()
+ *                                                 for the list of accepted context names.
+ * @param string[]              $allowed_protocols Optional. Array of allowed URL protocols.
+ *                                                 Defaults to the result of wp_allowed_protocols().
  * @return array The filtered and sanitized block object result.
  */
 function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
@@ -780,16 +782,17 @@ function filter_block_kses( $block, $allowed_html, $allowed_protocols = array()
 }
 
 /**
- * Filters and sanitizes a parsed block attribute value to remove non-allowable
- * HTML.
+ * Filters and sanitizes a parsed block attribute value to remove
+ * non-allowable HTML.
  *
  * @since 5.3.1
  *
  * @param string[]|string $value             The attribute value to filter.
- * @param array[]|string  $allowed_html      An array of allowed HTML elements
- *                                           and attributes, or a context name
- *                                           such as 'post'.
- * @param string[]        $allowed_protocols Array of allowed URL protocols.
+ * @param array[]|string  $allowed_html      An array of allowed HTML elements and attributes,
+ *                                           or a context name such as 'post'. See wp_kses_allowed_html()
+ *                                           for the list of accepted context names.
+ * @param string[]        $allowed_protocols Optional. Array of allowed URL protocols.
+ *                                           Defaults to the result of wp_allowed_protocols().
  * @return string[]|string The filtered and sanitized result.
  */
 function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array() ) {
diff --git a/wp-includes/kses.php b/wp-includes/kses.php
index 7776de59d5..5dddfd023e 100644
--- a/wp-includes/kses.php
+++ b/wp-includes/kses.php
@@ -706,7 +706,8 @@
  * @param array[]|string $allowed_html      An array of allowed HTML elements and attributes,
  *                                          or a context name such as 'post'. See wp_kses_allowed_html()
  *                                          for the list of accepted context names.
- * @param string[]       $allowed_protocols Array of allowed URL protocols.
+ * @param string[]       $allowed_protocols Optional. Array of allowed URL protocols.
+ *                                          Defaults to the result of wp_allowed_protocols().
  * @return string Filtered content containing only the allowed HTML.
  */
 function wp_kses( $string, $allowed_html, $allowed_protocols = array() ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d6e3accb56..e0e1d7f465 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-54180';
+$wp_version = '6.1-alpha-54181';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.