diff --git a/README.md b/README.md
index bee2028..1443f47 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,8 @@ After the requirements are installed, run the installation script. When prompted
 sudo bash install.sh 8.1.NDI.pre
 ```
 
+Note: if you have problems running mDNS, run sudo apt-get upgrade and then reboot the machine.
+
 ## Or installation with NVIDIA GPU support
 
 After the requirements are installed, run the installation script. When prompted, enter your login and password for the registry: