[skip ci] fix verbiage on comment

Machete.Web/Startup.cs

@@ -274,7 +274,7 @@ public void Configure(IApplicationBuilder app, IHostingEnvironment env)
             });
 
             // The following code is trying to get lookup static IDs as if they were coming from a singleton database.
-            // It ignores the fact that the database provider is multi-tenant, and does expose a singleton tenant.
+            // It ignores the fact that the database provider is multi-tenant, and does not expose a singleton tenant.
             //
             // Alas, the serviceScope object does nothing anyway as the line which populates static IDs is commented out.
             // The apparent purpose is better achieved by improving the Lookups initialization (above).