[PATCH] multiboot2: Fix alignment of header tags

[Daniel Kiper]

Header tags have to be 8-bytes aligned. So, fix it.
Additionally, mention header closing tag in the spec.

Signed-off-by: Daniel Kiper <address@hidden>
---
 doc/multiboot.texi |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/multiboot.texi b/doc/multiboot.texi
index a9c3f16..2e2d7e7 100644
--- a/doc/multiboot.texi
+++ b/doc/multiboot.texi
@@ -408,8 +408,9 @@ and @samp{header_length}), must have a 32-bit unsigned sum 
of zero.
 
 @node Header tags
 @subsection General tag structure
-Tags constitutes a buffer of structures following each other padded on 
@samp{u32} size.
-Every structure has following format:
+Tags constitutes a buffer of structures following each other padded when 
necessary
+in order for each tag to start at 8-bytes aligned address. Tags are terminated 
by
+a tag of type @samp{0} and size @samp{8}. Every structure has following format:
 
 @example
 @group
-- 
1.7.10.4