Index: src/wp-includes/pluggable.php
===================================================================
--- src/wp-includes/pluggable.php	(revision 54852)
+++ src/wp-includes/pluggable.php	(working copy)
@@ -2404,14 +2404,16 @@
 		static $duplicated_keys;
 		if ( null === $duplicated_keys ) {
 			$duplicated_keys = array(
-				'put your unique phrase here'       => true,
-				/*
-				 * translators: This string should only be translated if wp-config-sample.php is localized.
-				 * You can check the localized release package or
-				 * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php
-				 */
-				__( 'put your unique phrase here' ) => true,
+				'put your unique phrase here' => true,
 			);
+
+			/*
+			 * translators: This string should only be translated if wp-config-sample.php is localized.
+			 * You can check the localized release package or
+			 * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php
+			 */
+			$duplicated_keys[ __( 'put your unique phrase here' ) ] = true;
+
 			foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) {
 				foreach ( array( 'KEY', 'SALT' ) as $second ) {
 					if ( ! defined( "{$first}_{$second}" ) ) {