Index: wp-admin/maint/repair.php
===================================================================
--- wp-admin/maint/repair.php	(revision 36393)
+++ wp-admin/maint/repair.php	(working copy)
@@ -59,8 +59,14 @@
 
 		echo '<h2 class="screen-reader-text">' . __( 'Check secret keys' ) . '</h2>';
 
-		// Translators: 1: wp-config.php; 2: Secret key service URL.
-		echo '<p>' . sprintf( __( 'While you are editing your %1$s file, take a moment to make sure you have all 8 keys and that they are unique. You can generate these using the <a href="%2$s">WordPress.org secret key service</a>.' ), '<code>wp-config.php</code>', 'https://api.wordpress.org/secret-key/1.1/salt/' ) . '</p>';
+		echo '<p>' .
+			sprintf(
+				// Translators: 1: wp-config.php; 2 WordPress.org secret key service
+				__( 'While you are editing your %1$s file, take a moment to make sure you have all 8 keys and that they are unique. You can generate these using the %2$s.' ),
+				'<code>wp-config.php</code>',
+				'<a href="' . esc_url( __( 'https://api.wordpress.org/secret-key/1.1/salt/' ) ) . '">' . __( 'WordPress.org secret key service' ) . '</a>'
+			) .
+			'</p>';
 	}
 
 } elseif ( isset( $_GET['repair'] ) ) {