diff --git a/openfpga_flow/misc/fpgaflow_default_tool_path.conf b/openfpga_flow/misc/fpgaflow_default_tool_path.conf
index 78bf56c88..5a43f561b 100644
--- a/openfpga_flow/misc/fpgaflow_default_tool_path.conf
+++ b/openfpga_flow/misc/fpgaflow_default_tool_path.conf
@@ -29,7 +29,7 @@ packing_time = "Packing took ([0-9.]+) seconds", str
 placement_time = "Placement took ([0-9.]+) seconds", str
 routing_time = "Routing took ([0-9.]+) seconds", str
 average_net_length = "average net length: ([0-9.]+)", str
-critical_path = "Final critical path (least slack): ([0-9.]+) ([a-z])s", scientific
+critical_path = "Final critical path delay \(least slack\): ([0-9.]+) ([a-z])s", scientific
 total_routing_time = "Routing took ([0-9.]+) seconds", float
 
 [DEFAULT_PARSE_RESULT_POWER]
diff --git a/openfpga_flow/misc/fpgaflow_default_tool_path_timing.conf b/openfpga_flow/misc/fpgaflow_default_tool_path_timing.conf
index f67572299..50bdfd1ff 100644
--- a/openfpga_flow/misc/fpgaflow_default_tool_path_timing.conf
+++ b/openfpga_flow/misc/fpgaflow_default_tool_path_timing.conf
@@ -29,7 +29,7 @@ packing_time = "Packing took ([0-9.]+) seconds", str
 placement_time = "Placement took ([0-9.]+) seconds", str
 routing_time = "Routing took ([0-9.]+) seconds", str
 average_net_length = "average net length: ([0-9.]+)", str
-critical_path = "Final critical path (least slack): ([0-9.]+) ([a-z])s", scientific
+critical_path = "Final critical path delay \(least slack\): ([0-9.]+) ([a-z])s", scientific
 vclk0_critical_path = "virtual_io_clock to clk0 CPD: ([0-9.]+) ([a-z])s", scientific
 clk0_critical_path = "clk0 to clk0 CPD: ([0-9.]+) ([a-z])s", scientific
 vclk1_critical_path = "virtual_io_clock to clk1 CPD: ([0-9.]+) ([a-z])s", scientific
diff --git a/openfpga_flow/scripts/run_fpga_flow.py b/openfpga_flow/scripts/run_fpga_flow.py
index 912557687..1fc175de9 100644
--- a/openfpga_flow/scripts/run_fpga_flow.py
+++ b/openfpga_flow/scripts/run_fpga_flow.py
@@ -407,7 +407,7 @@ def check_required_file(default_tool_path):
     }
     for filename, filepath in files_dict.items():
         if not os.path.isfile(filepath):
-            clean_up_and_exit("Not able to locate default file " + filename)
+            clean_up_and_exit("Not able to locate default file " + filename + " under " + filepath)
 
 
 def read_script_config(default_tool_path):