diff --git a/roles/mail_server/molecule/default/tests/test_default.py b/roles/mail_server/molecule/default/tests/test_default.py
index cabbb459739db10b0cfc2600783510b4a719d6b4..0dd23b8993a35d4d410e4d65038c213d8de5052e 100644
--- a/roles/mail_server/molecule/default/tests/test_default.py
+++ b/roles/mail_server/molecule/default/tests/test_default.py
@@ -359,7 +359,7 @@ def test_firewall_configuration_file(host):
 
 def test_smtp_server_dh_parameter_file(host):
     """
-    Tests if the Diffie-Helman parameter file has been generated
+    Tests if the Diffie-Hellman parameter file has been generated
     correctly.
     """
 
@@ -380,7 +380,7 @@ def test_smtp_server_dh_parameter_file(host):
 
 def test_smtp_server_uses_correct_dh_parameters(host):
     """
-    Tests if the SMTP server uses the generated Diffie-Helman parameter.
+    Tests if the SMTP server uses the generated Diffie-Hellman parameter.
     """
 
     hostname = host.run('hostname').stdout.strip()
@@ -401,7 +401,7 @@ def test_smtp_server_uses_correct_dh_parameters(host):
 
 def test_imap_server_uses_correct_dh_parameters(host):
     """
-    Tests if the IMAP server uses correct Diffie-Helman parameters.
+    Tests if the IMAP server uses correct Diffie-Hellman parameters.
     """
 
     connection = host.run("gnutls-cli --no-ca-verification --starttls-proto=imap --port 143 "