diff --git a/README b/README
index f1fc420ddb7922690fb6723a215a7e8d10214161..53acac7f4e5b00619bf00aef0d639713dc5a6ec6 100644
--- a/README
+++ b/README
@@ -132,6 +132,7 @@ options:
 -wi weight: weights adjust the parameter C of different classes (see README for details)
 -v n: n-fold cross validation mode
 -C : find parameter C (only for -s 0 and 2)
+-i max_iters : maximum iterations (default: 1000; only for -s 0, 1, 2, 3, 4, 5)
 -q : quiet mode (no outputs)
 
 Option -v randomly splits the data into n parts and calculates cross