minor README fix

[epoint] / README

diff --git a/README b/README
index b4c986e..92accab 100644 (file)
--- a/README
+++ b/README
@@ -52,8 +52,8 @@ Description about that design is at the epointsystem.org website:
        https://www.epointsystem.org/trac/website
 
 
        https://www.epointsystem.org/trac/website
 
 

-Design
-------
+Overview
+--------

 
 An epoint server is a large billboard, where clients can publish
 draft documents (acknowledging debt, "i owe you")
 
 An epoint server is a large billboard, where clients can publish
 draft documents (acknowledging debt, "i owe you")


@@ -76,16 +76,15 @@ The balance of a client with respect to an issuer is the
 agregate value of all the drafts that transfer debt of the given
 issuer to or from the given client.
 
 agregate value of all the drafts that transfer debt of the given
 issuer to or from the given client.
 

-The main constraint is that a holder cannot transfer more debt
-than its balance. Such drafts are invalid and must be rejected.
-If the issuer is the drawer of a draft then there is no such
-constraint. The balance of the issuer is <=0 and the balance of
-a holder of the issuer's debt is >=0 at any given time. All the
-balances together give 0.
+An important constraint of the system is that a holder cannot
+transfer more debt than its balance. Such drafts are invalid and
+must be rejected. If the issuer is the drawer of a draft then
+there is no such constraint. The balance of the issuer is <=0
+and the balance of a holder of the issuer's debt is >=0 at any
+given time. All the balances together give 0.

 
 The main purpose of the server is to make it easy to check the
 
 The main purpose of the server is to make it easy to check the

-current balance of a client with respect to an issuer at any
-given time.
+current balance of a client.

 
 To achieve this the server needs to store all the drafts and the
 public keys of the clients so the drafts are verifiable. The
 
 To achieve this the server needs to store all the drafts and the
 public keys of the clients so the drafts are verifiable. The