Clarify wording in static-files.md regarding asset optimization process

Author: timdeschryver

aspnetcore/fundamentals/static-files.md

@@ -50,7 +50,7 @@ Creating performant web apps requires optimizing asset delivery to the browser.
 * Minimize the size of assets served to the browser. This optimization doesn't include minification.
 
 <xref:Microsoft.AspNetCore.Builder.StaticAssetsEndpointRouteBuilderExtensions.MapStaticAssets%2A>:
-* Integrates the information gathered about static web assets during the build or publish process with a runtime library that processes this information to optimize file serving to the browser.
+* Integrates the information gathered about static web assets during the build and publish process with a runtime library that processes this information to optimize file serving to the browser.
 * Are routing endpoint conventions that optimize the delivery of static assets in an app. It's designed to work with all UI frameworks, including Blazor, Razor Pages, and MVC.
 
 [`UseStaticFiles`](/dotnet/api/microsoft.aspnetcore.builder.staticfileextensions.usestaticfiles) also serves static files, but it doesn't provide the same level of optimization as `MapStaticAssets`. For a comparison of  `UseStaticFiles` and `MapStaticAssets`, see [Optimizing static web asset delivery