Merge pull request #2578 from joaquinelio/patch-15

store vs keeps stored

Author: iliakan

1-js/05-data-types/08-weakmap-weakset/article.md

@@ -1,6 +1,6 @@
 # WeakMap and WeakSet
 
-As we know from the chapter <info:garbage-collection>, JavaScript engine stores a value in memory while it is reachable (and can potentially be used).
+As we know from the chapter <info:garbage-collection>, JavaScript engine keeps a value in memory while it is "reachable" and can potentially be used.
 
 For instance:
 ```js