comment update

--HG--
branch : HEAD

diff --git a/src/lib-index/mail-index.h b/src/lib-index/mail-index.h
index e941835392964b3cbb65ec70c0ac78cf98360bfe..160227e93a4cb31876c3e234ad728c1b952defc4 100644 (file)
--- a/src/lib-index/mail-index.h
+++ b/src/lib-index/mail-index.h
@@ -67,7 +67,7 @@ struct mail_index_header {
        /* 0 = flags
           1 = sizeof(uoff_t)
           2 = sizeof(time_t)
-          3 = reserved, 0 for now */
+          3 = sizeof(keywords_mask_t) */
        uint8_t compat_data[4];
 
        uint32_t indexid;