Fix typo in README

README.md

@@ -33,7 +33,7 @@ The Synchronous version still uses callbacks, so it is safe to use with other As
 
     options = {
         followLinks: false,
-        // asyncFilters: ["Temp", ""] // directories with these
+        // asyncFilters: ["Temp", "_Temp"] // directories with these
                                            // keys will be ignored
     };