README: clarify indices are not stored in separate files

diff --git a/README b/README
index b5a60ab6bb068f9bb1036ea40b3d56f73730c88a..4febddfaff66a3f16f662fe216b82e4ca3c5cd57 100644 (file)
--- a/README
+++ b/README
@@ -19,7 +19,8 @@ lookups. To support quick lookups, in O(log n), the files utilize indices.
 
 Nsscash is very careful when deploying the changes:
 - All files are updated using the standard "write to temporary file", "sync",
-  "rename" steps which is atomic on UNIX file systems.
+  "rename" steps which is atomic on UNIX file systems. The indices are stored
+  in the same file preventing stale data during the update.
 - All errors cause an immediate abort ("fail fast") with a proper error
   message and a non-zero exit status. This prevents hiding possibly important
   errors. In addition all files are fetched first and then deployed to try to