Update README.md

Author: tx00100xt

README.md

@@ -66,13 +66,13 @@ If you prefer **ninja**, then add key **-GNinja** to the cmake. And replace the
 ### Ubuntu 
 Instead of building you can install packages from ppa by adding ppa:tx00100xt/serioussam to your system's Software Sources.
 ```bash
-sudo add-apt-repository ppa:tx00100xt/serioussam
+sudo add-apt-repository ppa:tx00100xt/serioussamclassic
 sudo apt update
 ```
 This PPA can be added to your system manually by copying the lines below and adding them to your system's software sources.
 ```
-deb https://ppa.launchpadcontent.net/tx00100xt/serioussam/ubuntu YOUR_UBUNTU_VERSION_HERE main 
-deb-src https://ppa.launchpadcontent.net/tx00100xt/serioussam/ubuntu YOUR_UBUNTU_VERSION_HERE main 
+deb https://ppa.launchpadcontent.net/tx00100xt/serioussamclassic/ubuntu YOUR_UBUNTU_VERSION_HERE main 
+deb-src https://ppa.launchpadcontent.net/tx00100xt/serioussamclassic/ubuntu YOUR_UBUNTU_VERSION_HERE main  
 ```
 After adding ppa, run the commands:
 ```bash