diff --git a/wp-admin/includes/theme.php b/wp-admin/includes/theme.php
index b9164a7e71..90ecbc216e 100644
--- a/wp-admin/includes/theme.php
+++ b/wp-admin/includes/theme.php
@@ -744,14 +744,14 @@ function customize_themes_print_templates() {
 
 			<div class="theme-actions">
 				<# if ( data.active ) { #>
-					<button type="button" class="button button-primary customize-theme"><?php _e( 'Customize' ); ?></a>
+					<button type="button" class="button button-primary customize-theme"><?php _e( 'Customize' ); ?></button>
 				<# } else if ( 'installed' === data.type ) { #>
 					<?php if ( current_user_can( 'delete_themes' ) ) { ?>
 						<# if ( data.actions && data.actions['delete'] ) { #>
 							<a href="{{{ data.actions['delete'] }}}" data-slug="{{ data.id }}" class="button button-secondary delete-theme"><?php _e( 'Delete' ); ?></a>
 						<# } #>
 					<?php } ?>
-					<button type="button" class="button button-primary preview-theme" data-slug="{{ data.id }}"><?php _e( 'Live Preview' ); ?></span>
+					<button type="button" class="button button-primary preview-theme" data-slug="{{ data.id }}"><?php _e( 'Live Preview' ); ?></button>
 				<# } else { #>
 					<button type="button" class="button theme-install" data-slug="{{ data.id }}"><?php _e( 'Install' ); ?></button>
 					<button type="button" class="button button-primary theme-install preview" data-slug="{{ data.id }}"><?php _e( 'Install &amp; Preview' ); ?></button>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d320a48edf..4045797f90 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42710';
+$wp_version = '5.0-alpha-42711';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.