diff --git a/server/storage/wal/walpb/README.md b/server/storage/wal/walpb/README.md
new file mode 100644
index 000000000000..f9871cbad8fe
--- /dev/null
+++ b/server/storage/wal/walpb/README.md
@@ -0,0 +1,12 @@
+
+server/storage/wal/walpb/README.md
+
+Write Ahead Log Protocol Buffers
+--------------------------------
+--------------------------------
+
+This directory contains the protocol buffer definitions for etcd. This package handles the serialization format for WAL records and snapshots used in etcd's persistent storage.
+
+record.proto   Defines the schema for WAL records and snapshots
+record.go      Ensure validity of record by matching crc and validity of newly written snapshot
+record.pb.go   Code generated by protoc-gen-gogo. DO NOT EDIT.