diff --git a/src/controllers/itemDetails.js b/src/controllers/itemDetails.js
index c2a1370176..365cdaca5b 100644
--- a/src/controllers/itemDetails.js
+++ b/src/controllers/itemDetails.js
@@ -978,10 +978,10 @@ define(['loading', 'appRouter', 'layoutManager', 'connectionManager', 'userSetti
 
         if (clampTarget.classList.contains(clampClassName)) {
             clampTarget.classList.remove(clampClassName);
-            expandButton.innerHTML = globalize.translate('Show Less');
+            expandButton.innerHTML = globalize.translate('ShowLess');
         } else {
             clampTarget.classList.add(clampClassName);
-            expandButton.innerHTML = globalize.translate('Show More');
+            expandButton.innerHTML = globalize.translate('ShowMore');
         }
     }
 
diff --git a/src/strings/en-us.json b/src/strings/en-us.json
index 4f109eaeb6..cbe2ae0683 100644
--- a/src/strings/en-us.json
+++ b/src/strings/en-us.json
@@ -1373,6 +1373,7 @@
     "Share": "Share",
     "ShowAdvancedSettings": "Show advanced settings",
     "ShowIndicatorsFor": "Show indicators for:",
+    "ShowLess": "Show less",
     "ShowMore": "Show more",
     "ShowTitle": "Show title",
     "ShowYear": "Show year",