Added push target to Makefile

Minor edits and corrections

Makefile

@@ -1,4 +1,4 @@
-.PHONY: target clean sync
+.PHONY: target clean sync push
 
 target: book
 
@@ -27,5 +27,8 @@ book.pdf: book.xml
 clean:
 	-rm -rf book.xml book.html book
 
+push:
+	git-push blynn@git.or.cz:srv/git/gitmagic.git
+
 sync: target
 	rsync -r book/* blynn@tl1.stanford.edu:www/gitmagic/

intro.txt

@@ -12,7 +12,7 @@ But this will overwrite the old version. It's like those old school games which
 
 == Version Control ==
 
-When editing, you can "Save As..." a different file, or copy the file somewhere first before saving if you want to savour old versions. Maybe compress them too to save space. This is version control, but very primitive and labour-intensive.Computer games improved on this out long ago, many of them allowing multiple automatically timestamped save slots.
+When editing, you can "Save As..." a different file, or copy the file somewhere first before saving if you want to savour old versions. Maybe compress them too to save space. This is version control, but very primitive and labour-intensive. Computer games improved on this long ago, many of them allowing multiple automatically timestamped save slots.
 
 Let's make the problem slightly tougher now. Say you have a bunch of files that go together, such as collection of source code for the same project, or files for a website. Now if you want to keep an old version you have to archive a whole directory of stuff. Keeping many versions around is inconvenient to do by hand, and gets expensive fast.
 

preface.html

@@ -41,7 +41,7 @@ <h2>References</h2>
 <a href="http://subversion.tigris.org/subversion-linus.html">Subversion vs itself</a>: in response to its defence of Subversion's limitations, I claim Git is right for <i>every</i> project. I also claim where there is more than one programmer, there is decentralized development.
 </p>
 <p>
-Saying you should use systems that don't scale well when your project is small is like saying you should use Roman numerals for calculations involving small numbers.
+Saying you should use systems that don't scale well when your project is tiny is like saying you should use Roman numerals for calculations involving small numbers.
 </p>
     </li>
     <li>
@@ -72,3 +72,9 @@ <h2>References</h2>
 <a href="http://polywww.in2p3.fr/~gaycken/Calice/Software/my_git_workflow.html">Advanced Git work flow</a> described by Götz Gaycken.
     </li>
 </ul>
+<h2>Free Git Hosting</h2>
+<p>
+This guide is hosted by Git at <a href="http://repo.or.cz/">repo.or.cz</a>,
+who provide free Git hosting for free projects.
+See <a href="http://repo.or.cz/w/gitmagic.git">the Git-web summary of this guide</a>.
+</p>