diff --git a/checkcert/checkcert.py b/checkcert/checkcert.py
index 66d10e9..c66249a 100644
--- a/checkcert/checkcert.py
+++ b/checkcert/checkcert.py
@@ -141,7 +141,10 @@ def main(san, dump, color, filename, valid, san_only, sep, pre, hosts):
                     output_string = ""
                     if pre:
                         output_string += f"{sep}".lstrip()
-                    output_string += f"{sep}".join(get_alt_names(hostinfo.cert))
+                    alt_names = get_alt_names(hostinfo.cert)
+                    if hostinfo.hostname not in alt_names:
+                        alt_names.insert(0, hostinfo.hostname)
+                    output_string += f"{sep}".join(alt_names)
                     print(output_string)
                     break
                 output_string += (
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 35c999b..da81419 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -10,6 +10,8 @@ Welcome to checkcert's documentation!
    :maxdepth: 2
    :caption: Contents:
 
+   introduction
+
 
 
 Indices and tables
diff --git a/tests/test_checkcert.py b/tests/test_checkcert.py
index de51e41..347dfa3 100644
--- a/tests/test_checkcert.py
+++ b/tests/test_checkcert.py
@@ -50,7 +50,19 @@ def test_san():
 
 def test_san_only():
     """verify --san outputs correctly"""
-    response = runner.invoke(cert_main, ["www.franklin.edu", "--san-only"])
+    check_domain = "franklin.edu"
+    response = runner.invoke(cert_main, ["--san-only", check_domain])
+    assert response.exit_code == 0
+    sep_string = ","
+    response = runner.invoke(
+        cert_main, ["--san-only", f"--sep={sep_string}", check_domain]
+    )
+    assert response.exit_code == 0
+    assert sep_string in response.output
+    sep_string = " -d "
+    response = runner.invoke(
+        cert_main, ["--san-only", f"--sep={sep_string}", check_domain]
+    )
     assert response.exit_code == 0