diff --git a/tsdb/docs/format/index.md b/tsdb/docs/format/index.md
index 1d87970dd3a58b754fc6ae95bf3dd8db2336efdb..854316cb4f17642e0638ad70a88d09e0aeffdcac 100644
--- a/tsdb/docs/format/index.md
+++ b/tsdb/docs/format/index.md
@@ -24,9 +24,9 @@ It is terminated by a table of contents which serves as an entry point into the
 │ ├──────────────────────────────────────────────┤ │
 │ │                   Postings N                 │ │
 │ ├──────────────────────────────────────────────┤ │
-│ │               Label Index Table              │ │
+│ │               Label Offset Table             │ │
 │ ├──────────────────────────────────────────────┤ │
-│ │                 Postings Table               │ │
+│ │             Postings Offset Table            │ │
 │ ├──────────────────────────────────────────────┤ │
 │ │                      TOC                     │ │
 │ └──────────────────────────────────────────────┘ │
diff --git a/tsdb/docs/format/tombstones.md b/tsdb/docs/format/tombstones.md
index 058f5f1e2fa180c65e2f9b5679ef3f5e0976189e..2dc62bb4c2591b3d8a772b67aa7c20418c7f13df 100644
--- a/tsdb/docs/format/tombstones.md
+++ b/tsdb/docs/format/tombstones.md
@@ -25,7 +25,7 @@ The stones section is 0 padded to a multiple of 4 for fast scans.
 # Tombstone 
 
 ```
-┌────────────────┬─────────────────┬────────────────┐
-│ref <uvarint64> │ mint <varint64> │ maxt <varint64>│
-└────────────────┴─────────────────┴────────────────┘
+┌───────────────────────┬─────────────────┬────────────────┐
+│series ref <uvarint64> │ mint <varint64> │ maxt <varint64>│
+└───────────────────────┴─────────────────┴────────────────┘
 ```