gitweb: fix use of uninitialized value.

diff --git a/Documentation/git-diff-index.txt b/Documentation/git-diff-index.txt
index d8fc78fab94d73fe32808cbfaaf4fcfc3efe9694..9cd43f105bd78778359ded7c6b3300502d642ca9 100644 (file)
--- a/Documentation/git-diff-index.txt
+++ b/Documentation/git-diff-index.txt
@@ -53,18 +53,18 @@ If '--cached' is specified, it allows you to ask:
        contents (the ones I'd write with a "git-write-tree")
 
 For example, let's say that you have worked on your working directory, updated
-some files in the index and are ready to commit. You want to see eactly
+some files in the index and are ready to commit. You want to see exactly
 *what* you are going to commit is without having to write a new tree
 object and compare it that way, and to do that, you just do
 
-       git-diff-index --cached $(cat .git/HEAD)
+       git-diff-index --cached HEAD
 
 Example: let's say I had renamed `commit.c` to `git-commit.c`, and I had
 done an "git-update-index" to make that effective in the index file.
 "git-diff-files" wouldn't show anything at all, since the index file
 matches my working directory. But doing a "git-diff-index" does:
 
-  torvalds@ppc970:~/git> git-diff-index --cached $(cat .git/HEAD)
+  torvalds@ppc970:~/git> git-diff-index --cached HEAD
   -100644 blob    4161aecc6700a2eb579e842af0b7f22b98443f74        commit.c
   +100644 blob    4161aecc6700a2eb579e842af0b7f22b98443f74        git-commit.c
 
@@ -98,10 +98,10 @@ show that. So let's say that you have edited `kernel/sched.c`, but
 have not actually done a "git-update-index" on it yet - there is no
 "object" associated with the new state, and you get:
 
-  torvalds@ppc970:~/v2.6/linux> git-diff-index $(cat .git/HEAD )
+  torvalds@ppc970:~/v2.6/linux> git-diff-index HEAD
   *100644->100664 blob    7476bb......->000000......      kernel/sched.c
 
-ie it shows that the tree has changed, and that `kernel/sched.c` has is
+i.e., it shows that the tree has changed, and that `kernel/sched.c` has is
 not up-to-date and may contain new stuff. The all-zero sha1 means that to
 get the real diff, you need to look at the object in the working directory
 directly rather than do an object-to-object diff.
@@ -110,7 +110,7 @@ NOTE: As with other commands of this type, "git-diff-index" does not
 actually look at the contents of the file at all. So maybe
 `kernel/sched.c` hasn't actually changed, and it's just that you
 touched it. In either case, it's a note that you need to
-"git-upate-index" it to make the index be in sync.
+"git-update-index" it to make the index be in sync.
 
 NOTE: You can have a mixture of files show up as "has been updated"
 and "is still dirty in the working directory" together. You can always