diff --git a/.changeset/giant-insects-eat.md b/.changeset/giant-insects-eat.md
new file mode 100644
index 000000000..9bbb771b6
--- /dev/null
+++ b/.changeset/giant-insects-eat.md
@@ -0,0 +1,5 @@
+---
+'@crowdstrike/ember-toucan-core': patch
+---
+
+Updated incorrect assertion message with CheckboxField
diff --git a/packages/ember-toucan-core/src/components/form/fields/checkbox.gts b/packages/ember-toucan-core/src/components/form/fields/checkbox.gts
index f6f296d92..27435fe38 100644
--- a/packages/ember-toucan-core/src/components/form/fields/checkbox.gts
+++ b/packages/ember-toucan-core/src/components/form/fields/checkbox.gts
@@ -115,7 +115,7 @@ export default class ToucanFormCheckboxFieldComponent extends Component<ToucanFo
     args: ToucanFormCheckboxFieldComponentSignature['Args'],
   ) {
     assert(
-      'Both "@value" and "@isChecked" arguments were supplied. "@value" is reserved for being used in a CheckboxGroupField to specify the value attribute, while "@value" sets the checked state of the checkbox. Please use either "@value" or "@isChecked", but not both.',
+      'Both "@value" and "@isChecked" arguments were supplied. "@value" is reserved for being used in a CheckboxGroupField to specify the value attribute, while "@isChecked" sets the checked state of the checkbox. Please use either "@value" or "@isChecked", but not both.',
       !(args.isChecked && args.value),
     );