diff --git a/taxcalc/validation/taxsim35/README.md b/taxcalc/validation/taxsim35/README.md
index acd4cd2d8..82b1de036 100644
--- a/taxcalc/validation/taxsim35/README.md
+++ b/taxcalc/validation/taxsim35/README.md
@@ -135,5 +135,5 @@ These differences are summarized and explained in the [`Differences_Explained`](
 Differences are generally small, although we note larger differences due to how Tax-Calculator and TAXSIM-35 handle the following items:
 * The computation of SECA taxes
 * The 2020 Recovery Rebate Credit and Economic Impact Payments
-* The 2021 Advanced Child Tax Credit
+* The 2021 Child Tax Credit
 * Itemized deductions
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