diff --git a/demo/src/main/res/values/strings.xml b/demo/src/main/res/values/strings.xml
index cfc48a1..58f5da1 100644
--- a/demo/src/main/res/values/strings.xml
+++ b/demo/src/main/res/values/strings.xml
@@ -4,5 +4,7 @@
     <string name="app_name">AndroidImageSlider</string>
     <string name="hello_world">Hello world!</string>
     <string name="action_settings">Settings</string>
+    <string name="height">wrap_content</string>
+
 
 </resources>