readme + fix typo

Author: Duoslow

README.md

@@ -5,6 +5,15 @@
 - Show online member count on icon
 - Click to copy zerotier ip 
 - Updates members status on intervals  
+## BUG
+### if plasmoid package does nothing please use this command 
+```bash
+install
+kpackagetool5 -t Plasma/Applet --install zerotier.plasmoid    
+remove
+kpackagetool5 -t Plasma/Applet --remove zerotier.plasmoid    
+
+```
 ## TODO
 - Multiple network selection
 - Network information

package/metadata.desktop

@@ -1,6 +1,6 @@
 [Desktop Entry]
 Comment=Displays Zerotier Network Members
-Icon=logo.png
+Icon=preferences-system-network-server
 Name=Zerotier Indicator
 Type=Service
 X-KDE-PluginInfo-Author=Duoslow