diff --git a/codeflash/code_utils/time_utils.py b/codeflash/code_utils/time_utils.py
index d62c750cf..ad3b5f642 100644
--- a/codeflash/code_utils/time_utils.py
+++ b/codeflash/code_utils/time_utils.py
@@ -24,11 +24,14 @@ def humanize_runtime(time_in_ns: int) -> str:
             runtime_human = "%.3g" % (time_micro / (1000**2))
         elif units in {"minutes", "minute"}:
             runtime_human = "%.3g" % (time_micro / (60 * 1000**2))
-        else:  # hours
+        elif units in {"hour", "hours"}: #hours
             runtime_human = "%.3g" % (time_micro / (3600 * 1000**2))
-
+        else: #days
+            runtime_human = "%.3g" % (time_micro / (24*3600 * 1000**2))
     runtime_human_parts = str(runtime_human).split(".")
     if len(runtime_human_parts[0]) == 1:
+        if runtime_human_parts[0]=='1' and len(runtime_human_parts)>1:
+            units = units+'s'
         if len(runtime_human_parts) == 1:
             runtime_human = f"{runtime_human_parts[0]}.00"
         elif len(runtime_human_parts[1]) >= 2:
diff --git a/codeflash/discovery/functions_to_optimize.py b/codeflash/discovery/functions_to_optimize.py
index b88c4f9c9..8f5ba65eb 100644
--- a/codeflash/discovery/functions_to_optimize.py
+++ b/codeflash/discovery/functions_to_optimize.py
@@ -206,6 +206,7 @@ def get_functions_to_optimize(
         logger.info(f"Found {functions_count} function{'s' if functions_count > 1 else ''} to optimize")
         if optimize_all:
             three_min_in_ns = int(1.8e11)
+            console.rule()
             logger.info(
                 f"It might take about {humanize_runtime(functions_count*three_min_in_ns)} to fully optimize this project. Codeflash "
                 f"will keep opening pull requests as it finds optimizations."
diff --git a/tests/test_humanize_time.py b/tests/test_humanize_time.py
index c16033ad1..608c66b10 100644
--- a/tests/test_humanize_time.py
+++ b/tests/test_humanize_time.py
@@ -8,20 +8,23 @@ def test_humanize_runtime():
     assert humanize_runtime(1000000000) == "1.00 second"
     assert humanize_runtime(60000000000) == "1.00 minute"
     assert humanize_runtime(3600000000000) == "1.00 hour"
+    assert humanize_runtime(86400000000000) == "1.00 day"
 
     assert humanize_runtime(1) == "1.00 nanosecond"
     assert humanize_runtime(12) == "12.0 nanoseconds"
     assert humanize_runtime(123) == "123 nanoseconds"
     assert humanize_runtime(999) == "999 nanoseconds"
-    assert humanize_runtime(1234) == "1.23 microsecond"
+    assert humanize_runtime(1234) == "1.23 microseconds"
     assert humanize_runtime(12345) == "12.3 microseconds"
     assert humanize_runtime(123456) == "123 microseconds"
-    assert humanize_runtime(1234567) == "1.23 millisecond"
+    assert humanize_runtime(1234567) == "1.23 milliseconds"
     assert humanize_runtime(12345678) == "12.3 milliseconds"
     assert humanize_runtime(123456789) == "123 milliseconds"
 
-    assert humanize_runtime(1234567891) == "1.23 second"
+    assert humanize_runtime(1234567891) == "1.23 seconds"
     assert humanize_runtime(12345678912) == "12.3 seconds"
     assert humanize_runtime(123456789123) == "2.06 minutes"
     assert humanize_runtime(1234567891234) == "20.6 minutes"
     assert humanize_runtime(12345678912345) == "3.43 hours"
+    assert humanize_runtime(98765431298760) == "1.14 days"
+    assert humanize_runtime(197530862597520) == "2.29 days"