Update Wine patch placeholder description

wine_custom_patches/put_your_wine_patches_here

@@ -2,3 +2,8 @@ Put your custom Wine patches here.
 Valid file suffix formats are: .diff and .patch
 
 These patches are applied during Wine + Wine Staging compilation
+
+Patch names which include one of the following strings:
+
+_nostaging = Targets to non-staging (vanilla) Wine compilation process
+_staging = Targets to staging Wine compilation process