diff --git a/io/serialport/25-serial.js b/io/serialport/25-serial.js
index fde04163..7218e8b7 100644
--- a/io/serialport/25-serial.js
+++ b/io/serialport/25-serial.js
@@ -328,7 +328,10 @@ module.exports = function(RED) {
                         });
                         obj.serial.on('close', function() {
                             if (!obj._closing) {
-                                RED.log.error(RED._("serial.errors.unexpected-close",{port:port}));
+                                if (olderr !== "unexpected") {
+                                    olderr = "unexpected";
+                                    RED.log.error(RED._("serial.errors.unexpected-close",{port:port}));
+                                }
                                 obj._emitter.emit('closed');
                                 if (obj.tout) { clearTimeout(obj.tout); }
                                 obj.tout = setTimeout(function() {
diff --git a/io/serialport/README.md b/io/serialport/README.md
index 19d95100..a5965222 100644
--- a/io/serialport/README.md
+++ b/io/serialport/README.md
@@ -6,7 +6,7 @@ hardware serial ports.
 
 ## Install
 
-To install the stable version use the `Menu - Manage palette` option and search for node-red-node-serialport, or run the following command in your Node-RED user directory, typically `~/.node-red`
+To install the stable version use the `Menu - Manage palette - Install` option and search for node-red-node-serialport, or run the following command in your Node-RED user directory, typically `~/.node-red`
 
         npm i node-red-node-serialport
 
diff --git a/io/serialport/package.json b/io/serialport/package.json
index 8e17f563..4fc7d98a 100644
--- a/io/serialport/package.json
+++ b/io/serialport/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-serialport",
-    "version"       : "0.8.6",
+    "version"       : "0.8.7",
     "description"   : "Node-RED nodes to talk to serial ports",
     "dependencies"  : {
         "serialport"   : "^7.1.5"