diff --git a/README.md b/README.md
index 0922a97..668b04d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,25 @@
-httpcat
-===============
-
-A netcat like tool for analysing HTTP requests (from both server and client perspective).  My first experiment with Go.
\ No newline at end of file
+httpcat
+===============
+
+A netcat like tool for analysing HTTP requests (from both server and client perspective).  My first experiment with Go.
+
+    Usage:
+
+      Client mode
+
+        httpcat -get [options] http://uri-to-send-request-to.com
+
+
+      Server mode
+
+        httpcat -listen [options]
+
+
+      Options (client or server mode)
+        -complete or -c : Display entire request/response instead of just the body.
+        -verbose or -v : Be verbose.
+
+      Options (server mode only)
+        -port or -p [port] : Port to listen on.
+        -body or -b [body message] : Body to respond with.  Status will default to 200.
+        -status or -s [status code] : Status code to respond with.  Defaults to 204.
\ No newline at end of file