diff --git a/ext/cybercash/cybercash.c b/ext/cybercash/cybercash.c
index d7bd433c6fc..8c9537c9df0 100644
--- a/ext/cybercash/cybercash.c
+++ b/ext/cybercash/cybercash.c
@@ -72,7 +72,7 @@ PHP_MINFO_FUNCTION(cybercash)
 }
 /* }}} */
 
-/* {{{ proto cybercash_encr(string wmk, string sk, string data)
+/* {{{ proto array cybercash_encr(string wmk, string sk, string data)
    Cybercash encrypt */
 PHP_FUNCTION(cybercash_encr)
 {