Fix typo in tutorial-2.txt

From: Linus Torvalds <torvalds@osdl.org>
Date: Jun 5, 2006, 19:47 UTC
Message-ID: <Pine.LNX.4.64.0606051245470.5498@g5.osdl.org>

This should be obvious enough.

I didn't actually _test_ the tutorial, but if the old command worked, something is really wrong!

Signed-off-by: Linus "Duh!" Torvalds <torvalds@osdl.org>
---
 Documentation/tutorial-2.txt |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/tutorial-2.txt b/Documentation/tutorial-2.txt
index 82c6922..894ca5e 100644
--- a/Documentation/tutorial-2.txt
+++ b/Documentation/tutorial-2.txt
@@ -136,7 +136,7 @@ The "tree" object here refers to the new
 ------------------------------------------------
 $ git ls-tree d0492b36
 100644 blob a0423896973644771497bdc03eb99d5281615b51    file.txt
-$ git cat-file commit a0423896
+$ git cat-file blob a0423896
 hello world!
 ------------------------------------------------