diff --git a/coverage_comment/github.py b/coverage_comment/github.py
index 3d9db89b..186e5330 100644
--- a/coverage_comment/github.py
+++ b/coverage_comment/github.py
@@ -197,10 +197,10 @@ def create_missing_coverage_annotation(annotation_type: str, file: str, line: in
     )
 
 
-def append_to_environment_file(content: str, filepath: pathlib.Path):
+def append_to_file(content: str, filepath: pathlib.Path):
     with filepath.open(mode="a") as file:
         file.write(content)
 
 
 def add_job_summary(content: str, github_step_summary: pathlib.Path):
-    append_to_environment_file(content=content, filepath=github_step_summary)
+    append_to_file(content=content, filepath=github_step_summary)
diff --git a/coverage_comment/main.py b/coverage_comment/main.py
index 9cf04ed5..74e5a798 100644
--- a/coverage_comment/main.py
+++ b/coverage_comment/main.py
@@ -279,7 +279,7 @@ def save_coverage_data_files(
     markdown_report = coverage_module.generate_coverage_markdown()
 
     github.add_job_summary(
-        content=f"## Coverage report\n{markdown_report}",
+        content=f"## Coverage report\n\n{markdown_report}",
         github_step_summary=config.GITHUB_STEP_SUMMARY,
     )
 
diff --git a/tests/integration/test_github.py b/tests/integration/test_github.py
index f8fc2083..218f216c 100644
--- a/tests/integration/test_github.py
+++ b/tests/integration/test_github.py
@@ -336,7 +336,11 @@ def test_create_missing_coverage_annotation__annotation_type(capsys):
 
 def test_add_job_summary(summary_file):
     github.add_job_summary(
-        content="[job summary content]", github_step_summary=summary_file
+        content="[job summary part 1]\n", github_step_summary=summary_file
     )
+    assert summary_file.read_text() == "[job summary part 1]\n"
 
-    assert summary_file.read_text() == "[job summary content]"
+    github.add_job_summary(
+        content="[job summary part 2]", github_step_summary=summary_file
+    )
+    assert summary_file.read_text() == "[job summary part 1]\n[job summary part 2]"
diff --git a/tests/integration/test_main.py b/tests/integration/test_main.py
index 821444cc..91b55d3d 100644
--- a/tests/integration/test_main.py
+++ b/tests/integration/test_main.py
@@ -366,10 +366,13 @@ def test_action__push__default_branch(
 See more details and ready-to-copy-paste-markdown at:
     https://github.com/py-cov-action/foobar/tree/python-coverage-comment-action-data"""
     assert log == expected
-    assert "## Coverage report" in summary_file.read_text()
-    assert "Name" in summary_file.read_text()
-    assert "Stmts" in summary_file.read_text()
-    assert "Missing" in summary_file.read_text()
+
+    summary_content = summary_file.read_text()
+
+    assert "## Coverage report" in summary_content
+    assert "Name" in summary_content
+    assert "Stmts" in summary_content
+    assert "Missing" in summary_content
 
 
 def test_action__push__default_branch__private(