Typo fixes

text/14_Interactive_Rebasing/0_ Interactive_Rebasing.markdown

@@ -1,7 +1,7 @@
 ## Interactive Rebasing ##
 
 You can also rebase interactively.  This is often used to re-write your
-own commit objects before pusing them somewhere.  It is an easy way to 
+own commit objects before pushing them somewhere.  It is an easy way to
 split, merge or re-order commits before sharing them with others.  You
 can also use it to clean up commits you've pulled from someone when
 applying them locally.
@@ -17,7 +17,7 @@ since the last time you have pushed (or merged from the origin repository).
 
 To see what commits those are beforehand, you can run log this way:
 
-	$ git log github/master..
+	$ git log origin/master..
 
 Once you run the 'rebase -i' command, you will be thrown into your editor
 of choice with something that looks like this:
@@ -106,7 +106,7 @@ that commit:
 
 And then when you get to the command line, you revert that commit and create
 two (or more) new ones.  Lets say 21d80a5 modified two files, file1 and file2,
-and you wanted to split them into seperate commits.  You could do this after
+and you wanted to split them into separate commits.  You could do this after
 the rebase dropped you to the command line :
 
 	$ git reset HEAD^
@@ -120,4 +120,4 @@ And now instead of 5 commits, you would have 6.
 
 The last useful thing that interactive rebase can do is drop commits for you.
 If instead of choosing 'pick', 'squash' or 'edit' for the commit line, you 
-simply remove the line, it will remove the commit from the history.
+simply remove the line, it will remove the commit from the history.

text/15_Interactive_Adding/0_ Interactive_Adding.markdown

@@ -82,7 +82,7 @@ If you type '5' or 'p' in the menu, git will show you your diff patch by patch
 (or hunk by hunk) and ask if you want to stage each one.  That way you can 
 actually stage for a commit a part of a file edit.  If you've edited a file
 and want to only commit part of it and not an unfinished part, or commit 
-documentation or whitespace changes seperate from substantive changes, you can
+documentation or whitespace changes separate from substantive changes, you can
 use 'git add -i' to do so relatively easily.
 
 Here I've staged some changes to the book_index_template.html file, but not all

text/23A_Setting_Up_Private_Repo/0_Setting_Up_Private_Repo.markdown

@@ -24,9 +24,9 @@ however they have ssh authentication setup.
 
 ### Multiple User Access using Gitosis ###
 
-If you don't want to setup seperate accounts for every user, you can use
+If you don't want to setup separate accounts for every user, you can use
 a tool called Gitosis.  In gitosis, there is an authorized_keys file that
 contains the public keys of everyone authorized to access the repository,
 and then everyone uses the 'git' user to do pushes and pulls.
 
-[Installing and Setting up Gitosis](http://www.urbanpuddle.com/articles/2008/07/11/installing-git-on-a-server-ubuntu-or-debian)
+[Installing and Setting up Gitosis](http://www.urbanpuddle.com/articles/2008/07/11/installing-git-on-a-server-ubuntu-or-debian)

text/52_The_Packfile/0_The_Packfile.markdown

@@ -29,7 +29,7 @@ with a given byte can be found to avoid 8 iterations of the binary
 search).
 
 In version 1, the offsets and shas are in the same space, where in version two, 
-there are seperate tables
+there are separate tables
 for the shas, crc checksums and offsets.  At the end of both files are 
 checksum shas for both the index file and the packfile it references.
 
@@ -100,4 +100,4 @@ adhere to are:
   packfile;
 
 * the base object must be of the same underlying type (blob, tree, commit
-  or tag);
+  or tag);