diff --git a/doc/api_ref/pubkey.rst b/doc/api_ref/pubkey.rst
index 3ad26b6187b..7c137e6bf5a 100644
--- a/doc/api_ref/pubkey.rst
+++ b/doc/api_ref/pubkey.rst
@@ -124,7 +124,7 @@ Additionally, support for the pre-standardized version "Dilithium" is retained
 for the time being. The implemented specification is commonly referred to as
 version 3.1 of the CRYSTALS-Dilithium submission to NIST's third round of the
 PQC competition. This is not compatible to the "Initial Public Draft" version of
-FIPS 203 for which Botan does not offer an implementation.
+FIPS 204 for which Botan does not offer an implementation.
 
 Currently two flavors of Dilithium are implemented in separate Botan modules: