diff --git a/src/wp-includes/block-template-utils.php b/src/wp-includes/block-template-utils.php
index e0e64cb6f1..9b248c1453 100644
--- a/src/wp-includes/block-template-utils.php
+++ b/src/wp-includes/block-template-utils.php
@@ -600,7 +600,7 @@ function get_block_templates( $query = array(), $template_type = 'wp_template' )
 		$wp_query_args['post_name__in'] = $query['slug__in'];
 	}
 
-	// This is only needed for the regular templates/template parts CPT listing and editor.
+	// This is only needed for the regular templates/template parts post type listing and editor.
 	if ( isset( $query['wp_id'] ) ) {
 		$wp_query_args['p'] = $query['wp_id'];
 	} else {
diff --git a/src/wp-includes/class-wp-theme-json-resolver.php b/src/wp-includes/class-wp-theme-json-resolver.php
index ea9e5e677f..8e8ddadcb5 100644
--- a/src/wp-includes/class-wp-theme-json-resolver.php
+++ b/src/wp-includes/class-wp-theme-json-resolver.php
@@ -190,16 +190,16 @@ class WP_Theme_JSON_Resolver {
 	}
 
 	/**
-	 * Returns the CPT that contains the user's origin config
-	 * for the current theme or a void array if none found.
+	 * Returns the custom post type that contains the user's origin config
+	 * for the current theme or a void array if none are found.
 	 *
-	 * It can also create and return a new draft CPT.
+	 * This can also create and return a new draft custom post type.
 	 *
 	 * @since 5.9.0
 	 *
-	 * @param bool  $should_create_cpt  Optional. Whether a new CPT should be created if no one was found.
+	 * @param bool  $should_create_cpt  Optional. Whether a new custom post type should be created if none are found.
 	 *                                  False by default.
-	 * @param array $post_status_filter Filter Optional. CPT by post status.
+	 * @param array $post_status_filter Filter Optional. custom post type by post status.
 	 *                                   ['publish'] by default, so it only fetches published posts.
 	 *
 	 * @return array Custom Post Type for the user's origin config.
diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php
index d67a432637..37cd32d5aa 100644
--- a/src/wp-includes/default-filters.php
+++ b/src/wp-includes/default-filters.php
@@ -662,7 +662,7 @@ add_filter( 'user_has_cap', 'wp_maybe_grant_install_languages_cap', 1 );
 add_filter( 'user_has_cap', 'wp_maybe_grant_resume_extensions_caps', 1 );
 add_filter( 'user_has_cap', 'wp_maybe_grant_site_health_caps', 1, 4 );
 
-// Block Templates CPT and Rendering
+// Block Templates post type and Rendering
 add_filter( 'render_block_context', '_block_template_render_without_post_block_context' );
 add_filter( 'pre_wp_unique_post_slug', 'wp_filter_wp_template_unique_post_slug', 10, 5 );
 add_action( 'save_post_wp_template_part', 'wp_set_unique_slug_on_create_template_part' );
diff --git a/src/wp-includes/post.php b/src/wp-includes/post.php
index 9b87d3c3c6..75963deb0b 100644
--- a/src/wp-includes/post.php
+++ b/src/wp-includes/post.php
@@ -450,7 +450,7 @@ function create_initial_post_types() {
 		'wp_global_styles',
 		array(
 			'label'        => __( 'Global Styles' ),
-			'description'  => __( 'CPT to store user design tokens' ),
+			'description'  => __( 'Post type for storing user design tokens.' ),
 			'public'       => false,
 			'_builtin'     => true, /* internal use only. don't use this when registering your own post type. */
 			'show_ui'      => false,
diff --git a/src/wp-includes/theme.php b/src/wp-includes/theme.php
index d0471792e1..838fe23596 100644
--- a/src/wp-includes/theme.php
+++ b/src/wp-includes/theme.php
@@ -1913,7 +1913,7 @@ function wp_get_custom_css( $stylesheet = '' ) {
 	 *
 	 * @since 4.7.0
 	 *
-	 * @param string $css        CSS pulled in from the Custom CSS CPT.
+	 * @param string $css        CSS pulled in from the Custom CSS post type.
 	 * @param string $stylesheet The theme stylesheet name.
 	 */
 	$css = apply_filters( 'wp_get_custom_css', $css, $stylesheet );