diff --git a/__init__.py b/__init__.py
index abaecea..ad51eef 100644
--- a/__init__.py
+++ b/__init__.py
@@ -34,7 +34,7 @@
 
 sDefaultFormatSpec = """
 commit      %H
-parents     %P
+parent      %P
 Author      %aN (%aE)
 Date        %aD
 Commit By   %cN (%cE)
diff --git a/etc/gitzillarc b/etc/gitzillarc
index 591ab3a..22fceac 100644
--- a/etc/gitzillarc
+++ b/etc/gitzillarc
@@ -5,6 +5,9 @@
 # [Section_Name]
 # item: value
 # another_item: value2
+# third_item:
+#    line 1
+#    line 2
 #
 
 
@@ -65,7 +68,7 @@
 #      default: True
 #
 #      whether the update hook should allow commits which do not contain
-#      a bug number. True or false.
+#      a bug number. True or False.
 #
 #  * allowed_bug_states
 #
@@ -75,18 +78,36 @@
 #
 #  * formatspec
 #
-#      default: commit      %H%nparents     %P%nAuthor      %aN (%aE)%nDate        %aD%nCommit By   %cN (%cE)%nCommit Date %cD%n%n%s%n%n%b%n
-#
-#      appended to '--format=format:' in 'git whatchanged'. See the
-#      'git whatchanged' manpage for more info. Newlines are automatically
-#      converted to '%n'.
+#      default: commit      %H%nparent      %P%nAuthor      %aN (%aE)%nDate        %aD%nCommit By   %cN (%cE)%nCommit Date %cD%n%n%s%n%n%b%n
+#
+#      appended to '--format=format:' in 'git whatchanged' or 'git log'.
+#      See the 'git-whatchanged' manpage for more info. Newlines are
+#      automatically converted to '%n'.
+#
+#      If you want to replace the commits hashes by links to your GitWeb site,
+#      then enable the Bugzilla extension and put the project name
+#      before the "commit", "parent" or "tree" words, like in the example
+#      below. The extension will remove the project name from the output
+#      while resolving the links.
+#
+#      formatspec:
+#         author      %aN <%aE>%n            %aD
+#         committer   %cN <%cE>%n            %cD
+#         MyProject.git commit      %H
+#         MyProject.git parent      %P
+#         MyProject.git tree        %T
+#         %n
+#         %s
+#         %n
+#         %b
 #
 #  * include_diffstat
 #
 #      default: True
 #
 #      include the diffstat (a list of changed files with a histogram).
-#      If False, the diffstat is not included. True or False.
+#      If False, the diffstat is not included. In this case 'git log'
+#      is used in favour of 'git whatchanged'. True or False.
 #
 #  * separator
 #
@@ -111,12 +132,12 @@
 #          - Bug #123
 #
 #  * git_ref_prefix
-#        
+#
 #      the string which must start a git reference for its commits to be
 #      processed. Defaults to 'refs/heads/' so that we don't process 'tags/' and
 #      run the risk of processing many commits multiple times. You can set it
 #      to the empty string to process all git references.
-#  
+#
 #  * logfile
 #
 #      the file to log to. Must be writable by the uid of the git
@@ -143,4 +164,14 @@
 # bugzilla_password: barbarblah
 # allowed_bug_states: NEW, ASSIGNED, REOPENED
 # user_config: deny
-
+# formatspec:
+#    commit      %H
+#    parent      %P
+#    Author      %aN (%aE)
+#    Date        %aD
+#    Commit By   %cN (%cE)
+#    Commit Date %cD
+#    %n
+#    %s
+#    %n
+#    %b
diff --git a/extensions/Gitzilla/Config.pm b/extensions/Gitzilla/Config.pm
index c25f65e..f369e29 100644
--- a/extensions/Gitzilla/Config.pm
+++ b/extensions/Gitzilla/Config.pm
@@ -1,4 +1,4 @@
-package Bugzilla::Extension::Striiv;
+package Bugzilla::Extension::Gitzilla;
 use strict;
 use constant NAME => 'Gitzilla';
 
diff --git a/extensions/Gitzilla/Extension.pm b/extensions/Gitzilla/Extension.pm
index 1dccc98..f9d21ad 100644
--- a/extensions/Gitzilla/Extension.pm
+++ b/extensions/Gitzilla/Extension.pm
@@ -8,22 +8,19 @@ use Data::Dumper;
 
 our $VERSION = '1.0';
 
-#this relies on using a formatspec in /etc/gitzillarc like this (replace tmp.git appropriately):
-#formatspec: tmp.git commit %H%d%n%aE%n%s%n%n%b
-
 sub bug_format_comment {
     my ($self, $args) = @_;
 
     my $regexes = $args->{'regexes'};
 
-    my $commit_match = qr/\b((\S+\.git)\s+(?:commit|parents)\b\s+([0-9a-fA-F]{7,40}))/;
+    my $commit_match = qr/\b((\S+\.git)\s+((?:commit|parent|tree)\b\s+)([0-9a-fA-F]{7,40}))/;
     push(@$regexes, { match => $commit_match, replace => \&_replace_commit });
 }
 
 sub _replace_commit {
     my $args = shift;
     my $matches = $args->{matches};
-    return qq{<a href="http://www.example.com/gitweb/?p=$matches->[1];a=commit;h=$matches->[2]">$matches->[0]</a>};
+    return qq{$matches->[2]<a href="http://www.example.com/gitweb/?p=$matches->[1];a=commit;h=$matches->[3]">$matches->[3]</a>};
 }
 
 __PACKAGE__->NAME;
diff --git a/extensions/Gitzilla/README b/extensions/Gitzilla/README
index ca43ef8..b940052 100644
--- a/extensions/Gitzilla/README
+++ b/extensions/Gitzilla/README
@@ -1,6 +1,13 @@
-Move this dir into the bugzilla/extensions/ dir
+Move this directory into the bugzilla/extensions/ directory.
 
-edit /etc/gitzillarc to have a formatspec like this (replace tmp.git appropriately):
-formatspec: tmp.git commit %H%d%n%aE%n%s%n%n%b
+Edit /etc/gitzillarc to have a formatspec like this (replace
+MyProject.git appropriately):
 
-edit Extension.pm - change "www.example.com" to your gitweb url
+formatspec:
+   ...
+   MyProject.git commit      %H
+   MyProject.git parent      %P
+   MyProject.git tree        %T
+   ...
+
+Edit Extension.pm - change "www.example.com" to your gitweb url