doc: Add 'hf-indicators' feature to Handsfree API

diff --git a/doc/handsfree-api.txt b/doc/handsfree-api.txt
index df3d9bb..209fd46 100644 (file)
--- a/doc/handsfree-api.txt
+++ b/doc/handsfree-api.txt
@@ -53,6 +53,7 @@ Properties    array{string} Features [readonly]
                                "private-chat"
                                "create-multiparty"
                                "transfer"
+                               "hf-indicators"
 
                boolean InbandRinging [readonly]