diff --git a/wp-admin/includes/ajax-actions.php b/wp-admin/includes/ajax-actions.php
index f3d8e839f8..e3b345c53c 100644
--- a/wp-admin/includes/ajax-actions.php
+++ b/wp-admin/includes/ajax-actions.php
@@ -2602,7 +2602,7 @@ function wp_ajax_send_attachment_to_editor() {
 		$rel = $rel ? ' rel="attachment wp-att-' . $id . '"' : ''; // Hard-coded string, $id is already sanitized
 
 		if ( ! empty( $url ) ) {
-			$html = '<a href="' . esc_url( $url ) . '"' . $rel . '">' . $html . '</a>';
+			$html = '<a href="' . esc_url( $url ) . '"' . $rel . '>' . $html . '</a>';
 		}
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 595f9baf2c..6332759b58 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37287';
+$wp_version = '4.6-alpha-37288';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.