diff --git a/message_ix/model/MESSAGE/model_core.gms b/message_ix/model/MESSAGE/model_core.gms
index 8d18913a6..e0e719b50 100644
--- a/message_ix/model/MESSAGE/model_core.gms
+++ b/message_ix/model/MESSAGE/model_core.gms
@@ -131,15 +131,15 @@ Variables
 *
 * Auxiliary variables
 * ^^^^^^^^^^^^^^^^^^^
-* ======================================================================================= =======================================================================================================
-* Variable                                                                                Explanatory text
-* ======================================================================================= =======================================================================================================
-* :math:`\text{DEMAND}_{n,c,l,y,h} \in \mathbb{R}`                                        Demand level (in equilibrium with MACRO integration)
-* :math:`\text{PRICE_COMMODITY}_{n,c,l,y,h} \in \mathbb{R}`                               Commodity price (undiscounted marginals of :ref:`commodity_balance_gt` and :ref:`commodity_balance_lt`)
-* :math:`\text{PRICE_EMISSION}_{n,\widehat{e},\widehat{t},y} \in \mathbb{R}`              Emission price (undiscounted marginals of :ref:`emission_equivalence`)
-* :math:`\text{COST_NODAL_NET}_{n,y} \in \mathbb{R}`                                      System costs at the node level net of energy trade revenues/cost
-* :math:`\text{GDP}_{n,y} \in \mathbb{R}`                                                 Gross domestic product (GDP) in market exchange rates for MACRO reporting
-* ======================================================================================= =======================================================================================================
+* =========================================================================== =======================================================================================================
+* Variable                                                                    Explanatory text
+* =========================================================================== =======================================================================================================
+* :math:`\text{DEMAND}_{n,c,l,y,h} \in \mathbb{R}`                            Demand level (in equilibrium with MACRO integration)
+* :math:`\text{PRICE_COMMODITY}_{n,c,l,y,h} \in \mathbb{R}`                   Commodity price (undiscounted marginals of :ref:`commodity_balance_gt` and :ref:`commodity_balance_lt`)
+* :math:`\text{PRICE_EMISSION}_{n,\widehat{e},\widehat{t},y} \in \mathbb{R}`  Emission price (undiscounted marginals of :ref:`emission_equivalence`)
+* :math:`\text{COST_NODAL_NET}_{n,y} \in \mathbb{R}`                          System costs at the node level net of energy trade revenues/cost
+* :math:`\text{GDP}_{n,y} \in \mathbb{R}`                                     Gross domestic product (GDP) in market exchange rates for MACRO reporting
+* =========================================================================== =======================================================================================================
 ***
 
 Variables