diff --git a/ChangeLog b/ChangeLog
index 4833670bc..32a2a8e2a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-04-28  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* docs/grub.texi: Add a comment about usefullness of nativedisk.
+
 2013-04-28  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/commands/nativedisk.c: Ignore unknown filesystem error.
diff --git a/docs/grub.texi b/docs/grub.texi
index 587c64e0f..bfd42ee51 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -4041,6 +4041,10 @@ Alias for @code{hashsum --hash md5 arg @dots{}}. See command @command{hashsum}
 
 @deffn Command nativedisk
 Switch from firmware disk drivers to native ones.
+Really useful only on platforms where both
+firmware and native disk drives are available.
+Currently i386-pc, i386-efi, i386-ieee1275 and
+x86_64-efi.
 @end deffn
 
 @node normal