diff --git a/contrib/FastSync/README.md b/contrib/FastSync/README.md
index faca61e..2bf7bc8 100644
--- a/contrib/FastSync/README.md
+++ b/contrib/FastSync/README.md
@@ -92,7 +92,7 @@ bitcoin-cli.sh gettxoutsetinfo
 ```
 
 
-5. Verify that the output of `Synchy` and `Trusty` are **exactly** identical.
+5. Verify that the output of `Synchy` and `Trusty` are identical (you can ignore `disk_size`).
 
 NOTE: Completing those steps, under the assumption the software you are running is not malicious, **correctly prove that the UTXO set snapshot is legit**.