fix

Signed-off-by: Marco Pracucci <marco@pracucci.com>

Author: pracucci

docs/production/storage-aws.md

@@ -18,10 +18,9 @@ if you use MFA), or use a short-term token solution such as
 
 ## Should I use S3 or DynamoDB ?
 
-Note that the choices for the chunks stoage backend are: "chunks" of 
+Note that the choices for the chunks storage backend are: "chunks" of 
 timeseries data in S3 and index in DynamoDB, or everything in DynamoDB. 
-Using just S3 is not an option, unless you use the experimental "blocks"
-storage engine.
+Using just S3 is not an option, unless you use the [blocks storage](../../blocks-storage/) engine.
 
 Broadly S3 is much more expensive to read and write, while DynamoDB is
 much more expensive to store over months.  S3 charges differently, so