Update README.md

hw5/README.md

@@ -125,7 +125,7 @@ for k,v in m.loadAll():
 ```
 ```
 There is also a way to iterate over all of the flushed keys (will strip out subkeys):
 There is also a way to iterate over all of the flushed keys (will strip out subkeys):
 ```
 ```
-m.fKeys()
+m.flushed()
 ```
 ```
 
 
 ## Count Per Group
 ## Count Per Group