diff --git a/wp-admin/includes/class-wp-posts-list-table.php b/wp-admin/includes/class-wp-posts-list-table.php
index 52de322e45..0780fcb443 100644
--- a/wp-admin/includes/class-wp-posts-list-table.php
+++ b/wp-admin/includes/class-wp-posts-list-table.php
@@ -1721,7 +1721,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 							<?php endif; // $bulk ?>
 							<?php
 							/** This filter is documented in wp-admin/includes/meta-boxes.php */
-							$default_title = apply_filters( 'default_page_template_title', __( 'Default Template' ), 'quick-edit' );
+							$default_title = apply_filters( 'default_page_template_title', __( 'Default template' ), 'quick-edit' );
 							?>
 							<option value="default"><?php echo esc_html( $default_title ); ?></option>
 							<?php page_template_dropdown( '', $screen->post_type ); ?>
diff --git a/wp-admin/includes/meta-boxes.php b/wp-admin/includes/meta-boxes.php
index 3069e04751..35a0ab3149 100644
--- a/wp-admin/includes/meta-boxes.php
+++ b/wp-admin/includes/meta-boxes.php
@@ -998,7 +998,7 @@ function page_attributes_meta_box( $post ) {
 		 * @param string $context Where the option label is displayed. Possible values
 		 *                        include 'meta-box' or 'quick-edit'.
 		 */
-		$default_title = apply_filters( 'default_page_template_title', __( 'Default Template' ), 'meta-box' );
+		$default_title = apply_filters( 'default_page_template_title', __( 'Default template' ), 'meta-box' );
 		?>
 <option value="default"><?php echo esc_html( $default_title ); ?></option>
 		<?php page_template_dropdown( $template, $post->post_type ); ?>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 09b9334261..e10b387fa5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta3-48582';
+$wp_version = '5.5-beta3-48583';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.