diff --git a/examples/cluster/policy.py b/examples/cluster/policy.py
index 051b838d..0f37820d 100644
--- a/examples/cluster/policy.py
+++ b/examples/cluster/policy.py
@@ -14,7 +14,7 @@
 Managing policies in the Cluster service.
 
 For a full guide see
-http://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
+https://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
 """
 
 
diff --git a/examples/cluster/policy_type.py b/examples/cluster/policy_type.py
index f3bb0369..447ecf26 100644
--- a/examples/cluster/policy_type.py
+++ b/examples/cluster/policy_type.py
@@ -14,7 +14,7 @@
 Managing policy types in the Cluster service.
 
 For a full guide see
-http://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
+https://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
 """
 
 
diff --git a/examples/cluster/profile.py b/examples/cluster/profile.py
index 6f1709fb..0fad312c 100644
--- a/examples/cluster/profile.py
+++ b/examples/cluster/profile.py
@@ -19,7 +19,7 @@ from examples.connect import SERVER_NAME
 Managing profiles in the Cluster service.
 
 For a full guide see
-http://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
+https://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
 """
 
 
diff --git a/examples/cluster/profile_type.py b/examples/cluster/profile_type.py
index e1d8ff7f..8a3e9955 100644
--- a/examples/cluster/profile_type.py
+++ b/examples/cluster/profile_type.py
@@ -14,7 +14,7 @@
 Managing profile types in the Cluster service.
 
 For a full guide see
-http://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
+https://developer.openstack.org/sdks/python/openstacksdk/users/guides/cluster.html
 """