Update incorrect documentation in the READ.me (#9538)

Update README.md

crates/config/README.md

@@ -159,7 +159,7 @@ use_literal_content = false
 # use ipfs method to generate the metadata hash, solc's default.
 # To not include the metadata hash, to allow for deterministic code: https://docs.soliditylang.org/en/latest/metadata.html, use "none"
 bytecode_hash = "ipfs"
-# Whether to append the metadata hash to the bytecode
+# Whether to append the CBOR-encoded metadata file.
 cbor_metadata = true
 # How to treat revert (and require) reason strings.
 # Possible values are: "default", "strip", "debug" and "verboseDebug".