diff --git a/README.md b/README.md
index e8ec77c..113e6be 100644
--- a/README.md
+++ b/README.md
@@ -306,9 +306,10 @@ A packed list is a list of varints.
 Complete file structure
 -----------------------
 
-`idx_*` entries are of type `[]u29` and are pointing to the respective `Groups`
-and `Users` entries (from the beginning of the respective section). Since
-entries are 8-byte aligned, 3 bits are saved from every element.
+`idx_*` sections are of type `[]u29` and are pointing to the respective
+`Groups` and `Users` entries (from the beginning of the respective section).
+Since User and Group records are 8-byte aligned, 3 bits are saved from every
+element.
 
 Each section is padded to 64 bytes.