When no enter a password, message should be 'You must enter a password'

res/values/strings.xml

@@ -276,7 +276,7 @@
 	<string name="unshare_link_file_no_exist">Unable to unshare. Please check whether the file exists</string>
 	<string name="unshare_link_file_error">An error occurred while trying to unshare this file or folder</string>
     <string name="share_link_password_title">Enter a password</string>
-    <string name="share_link_empty_password">Password is empty</string>
+    <string name="share_link_empty_password">You must enter a password</string>
 
 	<string name="activity_chooser_send_file_title">Send</string>