update codespaces link

Author: hellt

docs/tutorials/l3evpn/rt5-only/index.md

@@ -61,10 +61,10 @@ Containerlab will pull the git repo to your current working directory and start
 If you want to run the lab in a free cloud instance, click the button below to open the lab in GitHub Codespaces:
 
 <div align=center markdown>
-<a href="https://codespaces.new/srl-labs/srl-l3evpn-basics-lab?quickstart=1">
+<a href="https://codespaces.new/srl-labs/srl-rt5-l3evpn-basics-lab?quickstart=1">
 <img src="https://gitlab.com/rdodin/pics/-/wikis/uploads/d78a6f9f6869b3ac3c286928dd52fa08/run_in_codespaces-v1.svg?sanitize=true" style="width:50%"/></a>
 
-**[Run](https://codespaces.new/srl-labs/srlinux-vlan-handling-lab?quickstart=1) this lab in GitHub Codespaces for free**.  
+**[Run](https://codespaces.new/srl-labs/srl-rt5-l3evpn-basics-lab?quickstart=1) this lab in GitHub Codespaces for free**.  
 [Learn more](https://containerlab.dev/manual/codespaces) about Containerlab for Codespaces.  
 <small>Machine type: 2 vCPU · 8 GB RAM</small>
 </div>