diff --git a/libraries/base/GHC/Natural.hs b/libraries/base/GHC/Natural.hs
index fef76df43b78ba116a1d9256a94df10ded06d88b..bdc92438869f5f1fedaf72c3252eb6362d5629ba 100644
--- a/libraries/base/GHC/Natural.hs
+++ b/libraries/base/GHC/Natural.hs
@@ -228,7 +228,7 @@ remNatural   (NatJ# n) (NatS# d) = NatS# (remBigNatWord n d)
 remNatural   (NatJ# n) (NatJ# d) = bigNatToNatural (remBigNat n d)
 -- {-# CONSTANT_FOLDED remNatural #-}
 
--- | @since 4.X.0.0
+-- | @since 4.12.0.0
 naturalToInteger :: Natural -> Integer
 naturalToInteger (NatS# w)  = wordToInteger w
 naturalToInteger (NatJ# bn) = Jp# bn