diff --git a/pyomo/contrib/mindtpy/algorithm_base_class.py b/pyomo/contrib/mindtpy/algorithm_base_class.py
index 5547350ed44..bbcb8f5fc56 100644
--- a/pyomo/contrib/mindtpy/algorithm_base_class.py
+++ b/pyomo/contrib/mindtpy/algorithm_base_class.py
@@ -2950,7 +2950,7 @@ def MindtPy_iteration_loop(self):
                     )
                     if self.curr_int_sol not in set(self.integer_list):
                         # Call the NLP pre-solve callback
-                        with time_code(self.timing, 'Call after subproblem solve'):
+                        with time_code(self.timing, 'Call before subproblem solve'):
                             config.call_before_subproblem_solve(self.fixed_nlp)
 
                         fixed_nlp, fixed_nlp_result = self.solve_subproblem()
@@ -2965,7 +2965,7 @@ def MindtPy_iteration_loop(self):
                 # The constraint linearization happens in the handlers
                 if not config.solution_pool:
                     # Call the NLP pre-solve callback
-                    with time_code(self.timing, 'Call after subproblem solve'):
+                    with time_code(self.timing, 'Call before subproblem solve'):
                         config.call_before_subproblem_solve(self.fixed_nlp)
 
                     fixed_nlp, fixed_nlp_result = self.solve_subproblem()
@@ -3002,7 +3002,7 @@ def MindtPy_iteration_loop(self):
                                 self.integer_list.append(self.curr_int_sol)
 
                         # Call the NLP pre-solve callback
-                        with time_code(self.timing, 'Call after subproblem solve'):
+                        with time_code(self.timing, 'Call before subproblem solve'):
                             config.call_before_subproblem_solve(self.fixed_nlp)
 
                         fixed_nlp, fixed_nlp_result = self.solve_subproblem()
diff --git a/pyomo/contrib/mindtpy/config_options.py b/pyomo/contrib/mindtpy/config_options.py
index 019c6933d76..0d0b536525a 100644
--- a/pyomo/contrib/mindtpy/config_options.py
+++ b/pyomo/contrib/mindtpy/config_options.py
@@ -328,8 +328,8 @@ def _add_common_configs(CONFIG):
         ConfigValue(
             default=_DoNothing(),
             domain=None,
-            description='Function to be executed after every subproblem',
-            doc='Callback hook after a solution of the nonlinear subproblem.',
+            description='Function to be executed before every subproblem',
+            doc='Callback hook before a solution of the nonlinear subproblem.',
         ),
     )
     CONFIG.declare(
diff --git a/pyomo/contrib/mindtpy/single_tree.py b/pyomo/contrib/mindtpy/single_tree.py
index bc0f5d3cf4f..6b501ef874d 100644
--- a/pyomo/contrib/mindtpy/single_tree.py
+++ b/pyomo/contrib/mindtpy/single_tree.py
@@ -774,7 +774,7 @@ def __call__(self):
 
         # solve subproblem
         # Call the NLP pre-solve callback
-        with time_code(mindtpy_solver.timing, 'Call after subproblem solve'):
+        with time_code(mindtpy_solver.timing, 'Call before subproblem solve'):
             config.call_before_subproblem_solve(mindtpy_solver.fixed_nlp)
         # The constraint linearization happens in the handlers
         fixed_nlp, fixed_nlp_result = mindtpy_solver.solve_subproblem()
@@ -923,7 +923,7 @@ def LazyOACallback_gurobi(cb_m, cb_opt, cb_where, mindtpy_solver, config):
 
         # solve subproblem
         # Call the NLP pre-solve callback
-        with time_code(mindtpy_solver.timing, 'Call after subproblem solve'):
+        with time_code(mindtpy_solver.timing, 'Call before subproblem solve'):
             config.call_before_subproblem_solve(mindtpy_solver.fixed_nlp)
         # The constraint linearization happens in the handlers
         fixed_nlp, fixed_nlp_result = mindtpy_solver.solve_subproblem()