Update bundling-and-minification.md (dotnet#15996)

Author: Rick-Anderson

aspnetcore/client-side/bundling-and-minification.md

@@ -207,7 +207,7 @@ To minify *custom.css* and bundle it with *site.css* into a *site.min.css* file,
 > Alternatively, the following globbing pattern could be used:
 >
 > ```json
-> "inputFiles": ["wwwroot/**/*(*.css|!(*.min.css))"]
+> "inputFiles": ["wwwroot/**/!(*.min).css" ]
 > ```
 >
 > This globbing pattern matches all CSS files and excludes the minified file pattern.
@@ -322,7 +322,6 @@ In this example, any tasks defined within the `MyPreCompileTarget` target run be
 ========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
 ```
 
-
 ## Additional resources
 
 * [Use Grunt](xref:client-side/using-grunt)