diff --git a/js/GeometricOpticsBasicsStrings.ts b/js/GeometricOpticsBasicsStrings.ts
index 68a9318..a8405e7 100644
--- a/js/GeometricOpticsBasicsStrings.ts
+++ b/js/GeometricOpticsBasicsStrings.ts
@@ -5,12 +5,12 @@
  */
 /* eslint-disable */
 import getStringModule from '../../chipper/js/getStringModule.js';
-import TReadOnlyProperty from '../../axon/js/TReadOnlyProperty.js';
+import LinkableProperty from '../../axon/js/LinkableProperty.js';
 import geometricOpticsBasics from './geometricOpticsBasics.js';
 
 type StringsType = {
   'geometric-optics-basics': {
-    'titleStringProperty': TReadOnlyProperty<string>;
+    'titleStringProperty': LinkableProperty<string>;
   }
 };