Make syntax more robust

Author: dimodi

deployment/ci-cd-license-key.md

@@ -146,7 +146,7 @@ To avoid accidental [license watermarks and notifications on your live site](slu
 
 * [Set the `-warnaserror` switch when using the .NET CLI](https://learn.microsoft.com/en-us/visualstudio/msbuild/msbuild-command-line-reference?view=vs-2022#switches):
     ````SH.skip-repl
-    dotnet build -warnaserror:TKL001,TKL002,TKL003,TKL004,TKL101,TKL102,TKL103,TKL104,TKL105
+    dotnet build -warnaserror:"TKL001;TKL002;TKL003;TKL004;TKL101;TKL102;TKL103;TKL104;TKL105"
     ````
 
 ## Next Steps