diff --git a/doc/README.md b/doc/README.md
index 2c2deab00d248ed32e8ff8e4bb84be27bd17c8d5..fe1efe3cefbb676d8f0f9486f30e4138cebedb98 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -2289,6 +2289,11 @@ hive.auth.wifToPublic(privWif);
 hive.auth.signTransaction(trx, keys);
 ```
 
+### Sign a message
+```js
+hive.auth.signMessage(message, privateKey)
+```
+
 # Formatter
 
 ### Amount