diff --git a/hed/schema/schema_compare.py b/hed/schema/schema_compare.py
index a229ee1a6..1cd974c04 100644
--- a/hed/schema/schema_compare.py
+++ b/hed/schema/schema_compare.py
@@ -120,6 +120,10 @@ def compare_differences(schema1, schema2, output='raw', attribute_filter=None, s
         final_string = ""
         if include_summary:
             final_string += _pretty_print_header(header_summary)
+            if not final_string:
+                return final_string
+            final_string = ("Overall summary:\n================\n" + final_string + \
+                            "\n\n\nSummary details:\n================\n\n")
         for section_key in sections:
             val1, val2, val3 = unequal_entries[section_key], not_in_1[section_key], not_in_2[section_key]
             type_name = SectionEntryNames[section_key]
@@ -250,6 +254,7 @@ def _get_tag_name_summary(tag_dicts):
 
 
 def _pretty_print_header(summary_dict):
+    
     output_string = ""
     first_entry = True
     for section_key, tag_names in summary_dict.items():
@@ -264,7 +269,6 @@ def _pretty_print_header(summary_dict):
 
         output_string += "\n"
         first_entry = False
-    output_string += "\n"
     return output_string
 
 
diff --git a/tests/schema/test_schema_compare.py b/tests/schema/test_schema_compare.py
index ccc08b796..a07811425 100644
--- a/tests/schema/test_schema_compare.py
+++ b/tests/schema/test_schema_compare.py
@@ -143,14 +143,20 @@ def test_compare_score_lib_versions(self):
         schema2 = load_schema_version("score_1.1.0")
         not_in_schema1, not_in_schema2, unequal_entries = compare_differences(schema1, schema2,
                                                                               attribute_filter=HedKey.InLibrary)
+ 
+        
         self.assertEqual(len(not_in_schema1[HedSectionKey.Tags]), 21)
         self.assertEqual(len(not_in_schema2[HedSectionKey.Tags]), 10)
         self.assertEqual(len(unequal_entries[HedSectionKey.Tags]), 61)
 
+        diff_string = compare_differences(schema1, schema1, attribute_filter=HedKey.InLibrary, output='string',
+                                          sections=None)
+        self.assertFalse(diff_string)
         diff_string = compare_differences(schema1, schema2, attribute_filter=HedKey.InLibrary, output='string',
                                           sections=None)
+
         self.assertIsInstance(diff_string, str)
-        # print(diff_string)
+        print(diff_string)
 
         json_style_dict = compare_differences(schema1, schema2, attribute_filter=HedKey.InLibrary, output='dict',
                                               sections=None)