diff --git a/js/ModelsOfTheHydrogenAtomStrings.ts b/js/ModelsOfTheHydrogenAtomStrings.ts
index 46e74b7..328126b 100644
--- a/js/ModelsOfTheHydrogenAtomStrings.ts
+++ b/js/ModelsOfTheHydrogenAtomStrings.ts
@@ -79,8 +79,8 @@ type StringsType = {
     'deBroglieRepresentationStringProperty': LocalizedStringProperty;
     'deBroglieRepresentationHelpTextStringProperty': LocalizedStringProperty;
     'deleteSnapshotNumberNameStringProperty': LocalizedStringProperty;
-    'electronEnergyLevelsStringProperty': LocalizedStringProperty;
-    'electronEnergyLevelsHelpTextStringProperty': LocalizedStringProperty;
+    'electronEnergyLevelStringProperty': LocalizedStringProperty;
+    'electronEnergyLevelHelpTextStringProperty': LocalizedStringProperty;
     'energyLevelsScreenButtonsHelpTextStringProperty': LocalizedStringProperty;
     'energyLevelsScreenSummary': {
       'playAreaStringProperty': LocalizedStringProperty;
diff --git a/js/energylevels/view/ElectronEnergyLevelAccordionBox.ts b/js/energylevels/view/ElectronEnergyLevelAccordionBox.ts
index a3fee6a..330a322 100644
--- a/js/energylevels/view/ElectronEnergyLevelAccordionBox.ts
+++ b/js/energylevels/view/ElectronEnergyLevelAccordionBox.ts
@@ -38,8 +38,8 @@ export default class ElectronEnergyLevelAccordionBox extends AccordionBox {
         expandedDefaultValue: MOTHAQueryParameters.expandAll,
         fill: MOTHAColors.electronEnergyLevelAccordionBoxFillProperty,
         stroke: MOTHAColors.electronEnergyLevelAccordionBoxStrokeProperty,
-        accessibleName: ModelsOfTheHydrogenAtomStrings.a11y.electronEnergyLevelsStringProperty,
-        helpText: ModelsOfTheHydrogenAtomStrings.a11y.electronEnergyLevelsHelpTextStringProperty
+        accessibleName: ModelsOfTheHydrogenAtomStrings.a11y.electronEnergyLevelStringProperty,
+        helpText: ModelsOfTheHydrogenAtomStrings.a11y.electronEnergyLevelHelpTextStringProperty
       }, providedOptions );
 
     options.titleNode = new Text( ModelsOfTheHydrogenAtomStrings.electronEnergyLevelStringProperty, {
diff --git a/models-of-the-hydrogen-atom-strings_en.json b/models-of-the-hydrogen-atom-strings_en.json
index 88e837f..b5b6570 100644
--- a/models-of-the-hydrogen-atom-strings_en.json
+++ b/models-of-the-hydrogen-atom-strings_en.json
@@ -192,10 +192,10 @@
     "deleteSnapshotNumberName": {
       "value": "Delete Snapshot {{number}}: {{name}}"
     },
-    "electronEnergyLevels": {
-      "value": "Electron Energy Levels"
+    "electronEnergyLevel": {
+      "value": "Electron Energy Level"
     },
-    "electronEnergyLevelsHelpText": {
+    "electronEnergyLevelHelpText": {
       "value": "Observe changes in the electron’s state as shown in an energy level diagram."
     },
     "energyLevelsScreenButtonsHelpText": {