sentence change

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: jsundai

docs/quickstarts.mdx

@@ -31,7 +31,7 @@ Choose your language to get started locally. If you're using Temporal Cloud, che
 
 ### Nexus
 
-Connect Temporal Applications within and across Namespaces with a Nexus Service.
+Use [Temporal Nexus](/evaluate/nexus) to connect Temporal Applications within and across Namespaces.
 
 <QuickstartCards
   items={[