glossary: fixed typo in "Directory, working" description
The term "Directory, working" referenced a non-existant term named "Parents,
working directory". This patch fixes the typo.
--- a/mercurial/help/glossary.txt Sun Jul 04 14:14:29 2010 +0200
+++ b/mercurial/help/glossary.txt Tue Jul 06 13:10:16 2010 -0300
@@ -185,7 +185,7 @@
Mercurial, that will be recorded in the next commit. The working
directory initially corresponds to the snapshot at an existing
changeset, known as the parent of the working directory. See
- 'Parents, working directory'. The state may be modified by changes
+ 'Parent, working directory'. The state may be modified by changes
to the files introduced manually or by a merge. The repository
metadata exists in the .hg directory inside the working directory.