diff --git a/src/promptflow/promptflow/executor/_line_execution_process_pool.py b/src/promptflow/promptflow/executor/_line_execution_process_pool.py
index 369779364663..620c9e865988 100644
--- a/src/promptflow/promptflow/executor/_line_execution_process_pool.py
+++ b/src/promptflow/promptflow/executor/_line_execution_process_pool.py
@@ -434,7 +434,7 @@ def _calculate_worker_count_with_fork(self):
         worker_count = min(self._DEFAULT_WORKER_COUNT, self._nlines)
         bulk_logger.info("Using fork to create new process.")
         bulk_logger.info(
-            f"Set process count to ({worker_count}) by taking the minimum value among the "
+            f"Set process count to {worker_count} by taking the minimum value among the "
             f"default worker_count ({self._DEFAULT_WORKER_COUNT}) and the row count ({self._nlines}).")
         return worker_count
 
@@ -445,7 +445,7 @@ def _calculate_worker_count_without_fork(self, estimated_available_worker_count)
             "The environment variable PF_WORKER_COUNT is not set or invalid. Calculate the worker count based "
             "on the currently memory usage.")
         bulk_logger.info(
-            f"Set process count to ({worker_count}) by taking the minimum value among estimated process "
+            f"Set process count to {worker_count} by taking the minimum value among estimated process "
             f"count ({estimated_available_worker_count}), the row count ({self._nlines}) and the default "
             f"worker count ({self._DEFAULT_WORKER_COUNT}).")
         return worker_count
diff --git a/src/promptflow/tests/executor/unittests/processpool/test_line_execution_process_pool.py b/src/promptflow/tests/executor/unittests/processpool/test_line_execution_process_pool.py
index 9452f60ed292..185446d1f636 100644
--- a/src/promptflow/tests/executor/unittests/processpool/test_line_execution_process_pool.py
+++ b/src/promptflow/tests/executor/unittests/processpool/test_line_execution_process_pool.py
@@ -87,7 +87,7 @@ def test_fork_mode_parallelism_in_subprocess(
             else:
                 mock_logger.info.assert_any_call("Using fork to create new process.")
                 mock_logger.info.assert_any_call(
-                    f"Set process count to ({n_process}) by taking the minimum value among the "
+                    f"Set process count to {n_process} by taking the minimum value among the "
                     f"default worker_count ({pool._DEFAULT_WORKER_COUNT}) and the row count ({nlines})."
                 )
 
@@ -146,7 +146,7 @@ def test_spawn_mode_parallelism_in_subprocess(
                             "count based on the currently memory usage."
                         )
                         mock_logger.info.assert_any_call(
-                            f"Set process count to ({n_process}) by taking the minimum value among estimated "
+                            f"Set process count to {n_process} by taking the minimum value among estimated "
                             f"process count ({estimated_available_worker_count}), the row count ({nlines}) and the "
                             f"default worker count ({pool._DEFAULT_WORKER_COUNT})."
                         )