README.md in fluent-plugin-out-http-0.1.3 vs README.md in fluent-plugin-out-http-0.1.4

@@ -13,10 +13,10 @@
       serializer      json   # default: form
       rate_limit_msec 100    # default: 0 = no rate limiting
       raise_on_error  false  # default: true
       authentication  basic  # default: none
       username        alice  # default: ''
-      password        bobpop # default: ''
+      password        bobpop # default: '', secret: true
     </match>
 
 ## Usage notes
 
 If you'd like to retry failed requests, consider using [fluent-plugin-bufferize][3].