diff --git a/Test_Cases/Test_Case1/readme b/Test_Cases/Test_Case1/readme
index f283708..d641855 100644
--- a/Test_Cases/Test_Case1/readme
+++ b/Test_Cases/Test_Case1/readme
@@ -1,5 +1,16 @@
 This folder contains detail for Test_Case1.
 
+The values for the header fields are:
+
+Verison = 4, to indicate IPv4 version is used.
+IHL = 5, which indicates 20 bytes.
+Type of Service = 0,
+Total Window size = 40, which is 28 in hex. The total windows size contains the total lenght of IP header plus data.
+Identification = 0001,
+Flags = All flags are set to zero,
+Fragment Offset = For now, there is no fragment offset so, this value is set to 0.
+
+
 Source IP        = 200.204.10.12, which is c8cc 0a0c in hex
 Destination IP   = 200.204.10.14, which is c8cc 0a0e in hex
 Source Port      = 1234, which is 04D2 in hex,