update readme

diff --git a/README.md b/README.md
index 26f51fc98d97b6041069bebe3ba94fa08eb12d8c..44a29d08c4f1702ba51eb557d3750128df2e2704 100644 (file)
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ The toolkit supports creating and importing wallets and signing blocks on-device
 * Sign send, receive and change representative blocks with a private key
 * Runs in all web browsers and mobile frameworks built with Javascript
 * Convert Nano units
+* Sign any strings with the private key, for example using a password for the user created from the user ID.
 
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