fix ProcessStartInfo remarks toc (dotnet#40252)

Author: OwnageIsMagic

docs/fundamentals/toc.yml

@@ -1319,8 +1319,8 @@ items:
         href: runtime-libraries/system-runtime-loader-assemblyloadcontext.md
       - name: The ProcessStartInfo class
         items:
-          - name: UseShellExecute method
-        href: runtime-libraries/system-diagnostics-processstartinfo-useshellexecute.md
+          - name: UseShellExecute property
+            href: runtime-libraries/system-diagnostics-processstartinfo-useshellexecute.md
       - name: The Environment class
         items:
           - name: GetEnvironmentVariable method