diff --git a/src/HACKING.md b/src/HACKING.md
index 48c1e85..315b82f 100644
--- a/src/HACKING.md
+++ b/src/HACKING.md
@@ -9,18 +9,10 @@ You can find its source code here: <https://opendev.org/openstack/charm-mysql-in
 # To Do
 
 Actions:
- Backups
- Password change
- Pause Resume
- Service stop/start
+ Promote R/W
  Rejoin unit
    cluster.rejoinInstance()
- Bootstrap
  
 Cold Start
 
-Testing
-  Destruction of RW node testing
-  Juju leader changes
-
 Certificates Relation with Vault
diff --git a/src/lib/charm/openstack/mysql_innodb_cluster.py b/src/lib/charm/openstack/mysql_innodb_cluster.py
index 159f29f..9234129 100644
--- a/src/lib/charm/openstack/mysql_innodb_cluster.py
+++ b/src/lib/charm/openstack/mysql_innodb_cluster.py
@@ -38,7 +38,7 @@ def server_id(cls):
     """Determine this unit's server ID.
 
     :param cls: Class
-    :type cls: MySQLInnoDBClusterCharm class
+    :type cls: ConfigurationAdapter class
     :returns: String server ID
     :rtype: str
     """
@@ -53,7 +53,7 @@ def cluster_address(cls):
     Using the relation binding determine this unit's cluster address.
 
     :param cls: Class
-    :type cls: MySQLInnoDBClusterCharm class
+    :type cls: ConfigurationAdapter class
     :returns: Address
     :rtype: str
     """
@@ -68,7 +68,7 @@ def shared_db_address(cls):
     relation.
 
     :param cls: Class
-    :type cls: MySQLInnoDBClusterCharm class
+    :type cls: ConfigurationAdapter class
     :returns: Address
     :rtype: str
     """
@@ -83,7 +83,7 @@ def db_router_address(cls):
     relation.
 
     :param cls: Class
-    :type cls: MySQLInnoDBClusterCharm class
+    :type cls: ConfigurationAdapter class
     :returns: Address
     :rtype: str
     """