diff --git a/xwords4/android/XWords4/res/xml/xwprefs.xml b/xwords4/android/XWords4/res/xml/xwprefs.xml
index bc436be4f..86fdece79 100644
--- a/xwords4/android/XWords4/res/xml/xwprefs.xml
+++ b/xwords4/android/XWords4/res/xml/xwprefs.xml
@@ -299,6 +299,11 @@
                         android:summary="Menuitems etc."
                         android:defaultValue="false"
                         />
+
+    <!-- For broken devices like my Blaze 4G that report a download
+         directory that doesn't exist, allow users to set it.  Mine:
+         /sdcard/external_sd/download     
+    -->
     <org.eehouse.android.xw4.XWEditTextPreference 
         android:key="@string/key_download_path"
         android:title="@string/download_path_title"