diff --git a/README.md b/README.md
index 4e67b79..e10f4d2 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,14 @@
 # SimpleFinancePackage
 
+
+An Package to interact with an mock stock exchange
+
+## Structure
+| Field | Length |
+| ----- | ------ |
+| Key   | 8 Bytes |
+| Operation | Byte |
+| Asset | Byte |
+| Price | Float64 |
+| Volume | Float64 |
+| CRC | 2 Bytes |
\ No newline at end of file