glossary: clarify description of HEAD
HEAD on a branch does reference a commit via the branch ref it refers to.
The main difference of a detached HEAD is that it _directly_ refers to
a commit. Clarify this.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/glossary-content.txt b/Documentation/glossary-content.txt
index f430068..f4fd5b0 100644
--- a/Documentation/glossary-content.txt
+++ b/Documentation/glossary-content.txt
@@ -170,8 +170,8 @@
working tree>> is normally derived from the state of the tree
referred to by HEAD. HEAD is a reference to one of the
<<def_head,heads>> in your repository, except when using a
- <<def_detached_HEAD,detached HEAD>>, in which case it may
- reference an arbitrary commit.
+ <<def_detached_HEAD,detached HEAD>>, in which case it directly
+ references an arbitrary commit.
[[def_head_ref]]head ref::
A synonym for <<def_head,head>>.
