Clarify index and add a comment about directory names.

1 files changed, 2 insertions, 2 deletions

diff --git a/doc/db.md b/doc/db.md
index 7a411d1..9b7f9d3 100644
--- a/doc/db.md
+++ b/doc/db.md
@@ -8,7 +8,7 @@ Data entries are stored together with three attributes:
 
 - index
 
-  the first entry in a database has index 0, the next 1 and so on
+  integer; the first entry has index 0, the next one 1 and so on
 
 - entry hash
   
@@ -33,7 +33,7 @@ Two files (catlfish names in parentheses):
   filename is static, contains one line per entry -- the leafhash
 
 Three directories, "bucketed" in three levels, one file per database
-entry:
+entry (catlfish names in parentheses):
 
 - entry (certentries)