diff --git a/charges-and-fields_en.html b/charges-and-fields_en.html
index 5dbc460..b5449ba 100644
--- a/charges-and-fields_en.html
+++ b/charges-and-fields_en.html
@@ -133,7 +133,7 @@
 
   // Module loading in compilation-free (development) mode will be kicked off once strings are loaded.
   // This is done in load-unbuilt-strings.js
-  window.phet.chipper.loadModules = () => loadURL( 'js/charges-and-fields-main.js', 'module' );
+  window.phet.chipper.loadModules = () => loadURL( '../chipper/dist/charges-and-fields/js/charges-and-fields-main.js', 'module' );
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/js/chargesAndFieldsStrings.js b/js/chargesAndFieldsStrings.js
deleted file mode 100644
index e077372..0000000
--- a/js/chargesAndFieldsStrings.js
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2020-2021, University of Colorado Boulder
-
-/**
- * Auto-generated from modulify, DO NOT manually modify.
- */
-
-import getStringModule from '../../chipper/js/getStringModule.js';
-import chargesAndFields from './chargesAndFields.js';
-
-const chargesAndFieldsStrings = getStringModule( 'CHARGES_AND_FIELDS' );
-
-chargesAndFields.register( 'chargesAndFieldsStrings', chargesAndFieldsStrings );
-
-export default chargesAndFieldsStrings;
diff --git a/js/chargesAndFieldsStrings.ts b/js/chargesAndFieldsStrings.ts
new file mode 100644
index 0000000..0b60ef1
--- /dev/null
+++ b/js/chargesAndFieldsStrings.ts
@@ -0,0 +1,43 @@
+// Copyright 2020-2021, University of Colorado Boulder
+
+/**
+ * Auto-generated from modulify, DO NOT manually modify.
+ */
+/* eslint-disable */
+import getStringModule from '../../chipper/js/getStringModule.js';
+import chargesAndFields from './chargesAndFields.js';
+
+type StringsType = {
+  'charges-and-fields': {
+    'title': string
+  },
+  'plusOneNanoC': string,
+  'minusOneNanoC': string,
+  'electricField': string,
+  'directionOnly': string,
+  'voltage': string,
+  'values': string,
+  'grid': string,
+  'sensors': string,
+  'eFieldUnit': string,
+  'centimeterUnit': string,
+  'angleUnit': string,
+  'snapToGrid': string,
+  'voltageUnit': string,
+  'oneMeter': string,
+  'equipotential': string,
+  'pattern': {
+    '0value': {
+      '1units': string
+    }
+  },
+  'options': {
+    'projectorColors': string
+  }
+};
+
+const chargesAndFieldsStrings = getStringModule( 'CHARGES_AND_FIELDS' ) as StringsType;
+
+chargesAndFields.register( 'chargesAndFieldsStrings', chargesAndFieldsStrings );
+
+export default chargesAndFieldsStrings;