diff --git a/js/LinkableReadonlyProperty.ts b/js/LinkableReadOnlyProperty.ts
similarity index 64%
rename from js/LinkableReadonlyProperty.ts
rename to js/LinkableReadOnlyProperty.ts
index 13a61927..d520d595 100644
--- a/js/LinkableReadonlyProperty.ts
+++ b/js/LinkableReadOnlyProperty.ts
@@ -4,5 +4,5 @@ import { LinkableElement } from '../../tandem/js/PhetioObject.js';
 import TReadOnlyProperty from './TReadOnlyProperty.js';
 
 
-type LinkableReadonlyProperty<T> = TReadOnlyProperty<T> & LinkableElement;
-export default LinkableReadonlyProperty;
\ No newline at end of file
+type LinkableReadOnlyProperty<T> = TReadOnlyProperty<T> & LinkableElement;
+export default LinkableReadOnlyProperty;
\ No newline at end of file