diff --git a/Design:-Persistable-Context.md b/Design:-Persistable-Context.md
index 07a5471..00a0973 100644
--- a/Design:-Persistable-Context.md
+++ b/Design:-Persistable-Context.md
@@ -292,4 +292,5 @@ Currently,`keys()` needs no arguments. How we get all keys in the external stora
       * Pros: You can use `keys()` with no arguments as before.
       * Cons: You cannot get keys from the external storage by `keys()`  
 
-> HU: I prefer number 1. I think that the cons is small impact same as set/get.
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+> HU: I prefer number 1. I think that the cons is small impact same as set/get.
+>> NOL: Agreed - number 1. The change to `keys()` syntax is only for persistable context users and just part of the new api it provides.
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