diff --git a/pyomo/contrib/mindtpy/algorithm_base_class.py b/pyomo/contrib/mindtpy/algorithm_base_class.py
index 9bb09907da0..04c35eaf821 100644
--- a/pyomo/contrib/mindtpy/algorithm_base_class.py
+++ b/pyomo/contrib/mindtpy/algorithm_base_class.py
@@ -2217,7 +2217,7 @@ def check_config(self):
                 'appsi_gurobi',
             } or config.mip_regularization_solver in {'gurobi', 'appsi_gurobi'}:
                 raise ValueError(
-                    "GUROBI can not provide duals for mixed-integer problems."
+                    "Gurobi can not provide duals for mixed-integer problems."
                 )
 
     ################################################################################################################################
diff --git a/pyomo/contrib/mindtpy/single_tree.py b/pyomo/contrib/mindtpy/single_tree.py
index 555c7bae9c1..9776920f434 100644
--- a/pyomo/contrib/mindtpy/single_tree.py
+++ b/pyomo/contrib/mindtpy/single_tree.py
@@ -854,7 +854,7 @@ def __call__(self):
 
 
 def LazyOACallback_gurobi(cb_m, cb_opt, cb_where, mindtpy_solver, config):
-    """This is a GUROBI callback function defined for LP/NLP based B&B algorithm.
+    """This is a Gurobi callback function defined for LP/NLP based B&B algorithm.
 
     Parameters
     ----------
diff --git a/pyomo/contrib/mindtpy/tests/test_mindtpy.py b/pyomo/contrib/mindtpy/tests/test_mindtpy.py
index c9bd986ac3b..4efd9493b8a 100644
--- a/pyomo/contrib/mindtpy/tests/test_mindtpy.py
+++ b/pyomo/contrib/mindtpy/tests/test_mindtpy.py
@@ -251,7 +251,7 @@ def test_OA_no_good_cuts(self):
 
     @unittest.skipUnless(
         SolverFactory('cplex').available() or SolverFactory('gurobi').available(),
-        "CPLEX or GUROBI not available.",
+        "CPLEX or Gurobi not available.",
     )
     def test_OA_quadratic_strategy(self):
         """Test the outer approximation decomposition algorithm."""
diff --git a/pyomo/contrib/mindtpy/tests/test_mindtpy_global_lp_nlp.py b/pyomo/contrib/mindtpy/tests/test_mindtpy_global_lp_nlp.py
index 8cdc1906d21..259cfe9dd7c 100644
--- a/pyomo/contrib/mindtpy/tests/test_mindtpy_global_lp_nlp.py
+++ b/pyomo/contrib/mindtpy/tests/test_mindtpy_global_lp_nlp.py
@@ -92,7 +92,7 @@ def test_GOA_tabu_list(self):
         and SolverFactory('gurobi_direct').available(),
         'gurobi_persistent and gurobi_direct solver is not available',
     )
-    def test_GOA_GUROBI(self):
+    def test_GOA_Gurobi(self):
         """Test the global outer approximation decomposition algorithm."""
         with SolverFactory('mindtpy') as opt:
             for model in model_list:
diff --git a/pyomo/contrib/mindtpy/tests/test_mindtpy_lp_nlp.py b/pyomo/contrib/mindtpy/tests/test_mindtpy_lp_nlp.py
index 86e62b6f8b1..2662a0e6f56 100644
--- a/pyomo/contrib/mindtpy/tests/test_mindtpy_lp_nlp.py
+++ b/pyomo/contrib/mindtpy/tests/test_mindtpy_lp_nlp.py
@@ -103,7 +103,7 @@ def test_LPNLP_CPLEX(self):
         'gurobi_persistent' in available_mip_solvers,
         'gurobi_persistent solver is not available',
     )
-    def test_LPNLP_GUROBI(self):
+    def test_LPNLP_Gurobi(self):
         """Test the LP/NLP decomposition algorithm."""
         with SolverFactory('mindtpy') as opt:
             for model in model_list:
diff --git a/pyomo/contrib/mindtpy/util.py b/pyomo/contrib/mindtpy/util.py
index 7279331477c..1fda844328b 100644
--- a/pyomo/contrib/mindtpy/util.py
+++ b/pyomo/contrib/mindtpy/util.py
@@ -721,18 +721,18 @@ def copy_var_list_values_from_solution_pool(
 
 
 class GurobiPersistent4MindtPy(GurobiPersistent):
-    """A new persistent interface to GUROBI.
+    """A new persistent interface to Gurobi.
 
     Args:
-        GurobiPersistent (PersistentSolver): A class that provides a persistent interface to GUROBI.
+        GurobiPersistent (PersistentSolver): A class that provides a persistent interface to Gurobi.
     """
 
     def _intermediate_callback(self):
         def f(gurobi_model, where):
-            """Callback function for GUROBI.
+            """Callback function for Gurobi.
 
             Args:
-                gurobi_model (GUROBI model): the GUROBI model derived from pyomo model.
+                gurobi_model (Gurobi model): the Gurobi model derived from pyomo model.
                 where (int): an enum member of gurobipy.GRB.Callback.
             """
             self._callback_func(