diff --git a/evennia/contrib/base_systems/components/README.md b/evennia/contrib/base_systems/components/README.md
index fc594aa036..8f30b03630 100644
--- a/evennia/contrib/base_systems/components/README.md
+++ b/evennia/contrib/base_systems/components/README.md
@@ -39,7 +39,7 @@ class Health(Component):
 Components may define DBFields or NDBFields at the class level.
 DBField will store its values in the host's DB with a prefixed key.
 NDBField will store its values in the host's NDB and will not persist.
-The key used will be 'component_name__field_name'.
+The key used will be 'component_name::field_name'.
 They use AttributeProperty under the hood.
 
 Example:
diff --git a/evennia/contrib/base_systems/components/dbfield.py b/evennia/contrib/base_systems/components/dbfield.py
index 7e2d16edee..9adbf8197f 100644
--- a/evennia/contrib/base_systems/components/dbfield.py
+++ b/evennia/contrib/base_systems/components/dbfield.py
@@ -21,7 +21,7 @@ class DBField(AttributeProperty):
             owner (object): The component classF on which this is set
             name (str): The name that was used to set the DBField.
         """
-        key = f"{owner.name}__{name}"
+        key = f"{owner.name}::{name}"
         self._key = key
         db_fields = getattr(owner, "_db_fields", None)
         if db_fields is None:
@@ -45,7 +45,7 @@ class NDBField(NAttributeProperty):
             owner (object): The component class on which this is set
             name (str): The name that was used to set the DBField.
         """
-        key = f"{owner.name}__{name}"
+        key = f"{owner.name}::{name}"
         self._key = key
         ndb_fields = getattr(owner, "_ndb_fields", None)
         if ndb_fields is None: