docs: CIDs as deterministic

License: MIT
Signed-off-by: Randall Harmon <[email protected]>

Author: rjharmon

content/guides/concepts/cid.md

@@ -7,7 +7,7 @@ menu:
 
 A *content identifier*, or CID, is a label used as a standardized way of pointing to material in IPFS. It doesn't indicate _where_ the content is stored, but it forms a kind of address out of the content itself.  CIDs are consistently compact, regardless of the size of underlying content.
 
-CIDs are based on the content's [cryptographic hash](concepts/hashes).  As a result, any difference in content will produce a different CID.  Any IPFS node having the content will be able to match the hash and be able to retrieve the original content.  
+CIDs are based on the content's [cryptographic hash](concepts/hashes).  As a result, any difference in content will produce a different CID; also, a given piece of content added to two different IPFS nodes using the same settings will produce exactly the same CID.
 
 ## CID formats