File grub2-btrfs-help-on-snapper-rollback.patch of Package grub2

--- a/util/grub.d/00_header.in
+++ b/util/grub.d/00_header.in
@@ -428,8 +428,14 @@
     # Note: No $snapshot_num on *read-only* rollback!  (bsc#901487)
     cat <<EOF
 if [ -n "\$extra_cmdline" ]; then
-  submenu "Bootable snapshot #\$snapshot_num" {
-    menuentry "If OK, run 'snapper rollback' and reboot." { true; }
+  menuentry "Help on bootable snapshot #\$snapshot_num" {
+    echo "Select the default entry of the snapshot boot menu."
+    echo "Examine the snapshot, and if it's OK,"
+    echo "   run 'snapper rollback' and reboot."
+    echo "See 'System Rollback by Booting from Snapshots'"
+    echo "   in the manual for more information."
+    echo "  ** Hit Any Key to return to boot menu **  "
+    read
   }
 fi
 EOF