Fix #2140

Signed-off-by: Mario Danic <mario@lovelyhq.com>

src/main/res/values/strings.xml

@@ -329,7 +329,7 @@
     <string name="placeholder_timestamp">2012/05/18 12:23 PM</string>
     <string name="placeholder_media_time">12:23:45</string>
 
-    <string name="auto_upload_on_wifi">Only upload on Wi-Fi</string>
+    <string name="auto_upload_on_wifi">Only upload on unmetered Wi-Fi</string>
     <string name="instant_upload_on_charging">Only upload when charging</string>
     <string name="instant_upload_path">/InstantUpload</string>
     <string name="auto_upload_path">/AutoUpload</string>