From 55a1de171b64b919a79dd7ce67447401d5e00805 Mon Sep 17 00:00:00 2001
From: MITSUNARI Shigeo <herumi@nifty.com>
Date: Tue, 13 Aug 2019 15:08:23 +0900
Subject: [PATCH] [doc] update getStr(mode)

---
 readme.md | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/readme.md b/readme.md
index 0510f1f..5efa874 100644
--- a/readme.md
+++ b/readme.md
@@ -358,14 +358,15 @@ These functions maps x into Gi according to [\[_Faster hashing to G2_\]].
 
 ## String format of G1 and G2
 G1 and G2 have three elements of Fp (x, y, z) for Jacobi coordinate.
-normalize() method normalizes it to affine coordinate (x, y, 1) or (0, 0, 0).
+`normalize()` method normalizes it to affine coordinate (x, y, 1) or (0, 0, 0).
 
-getStr() method gets
+getStr(mode = 0) method gets
 
 * `0` ; infinity
-* `1 <x> <y>` ; not compressed format
-* `2 <x>` ; compressed format for even y
-* `3 <x>` ; compressed format for odd y
+* `1 <x> <y>` ; Affine coordinate with mode = `mcl:IoEcAffine`
+* `4 <x> <y> <z>` ; jacobi/Proj coordinate with mode = `mcl::IoEcProj`
+* `2 <x>` ; compressed format for even y with mode = `mcl::IoEcCompY`
+* `3 <x>` ; compressed format for odd y with mode = `mcl::IoEcCompY`
 
 ## Generator of G1 and G2