diff --git a/include/evalhyd/detail/determinist/errors.hpp b/include/evalhyd/detail/determinist/errors.hpp
index 3b2a66b50c7c469e6d491008628a0298420a0f2a..646bbd4ad0776c7c97c4cb4f5a0bbbb7922125a3 100644
--- a/include/evalhyd/detail/determinist/errors.hpp
+++ b/include/evalhyd/detail/determinist/errors.hpp
@@ -296,7 +296,7 @@ namespace evalhyd
 
             /// Compute the quadratic error between predictions and mean prediction.
             ///
-            /// \param err_obs
+            /// \param err_prd
             ///     Errors between predictions and mean prediction.
             ///     shape: (subsets, samples, series, time)
             /// \return