Documentation: Fix a few i.e./e.g. mix-ups

A git bundle can be transported by several means (such as e-mail), not
only by snekaernet, so use e.g. instead of i.e.

The mix-up in git-bundle.txt is obvious.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/gitcore-tutorial.txt b/Documentation/gitcore-tutorial.txt
index b3640c4..0382d2c 100644
--- a/Documentation/gitcore-tutorial.txt
+++ b/Documentation/gitcore-tutorial.txt
@@ -602,7 +602,7 @@
 ----------------
 
 which will sign the current `HEAD` (but you can also give it another
-argument that specifies the thing to tag, i.e., you could have tagged the
+argument that specifies the thing to tag, e.g., you could have tagged the
 current `mybranch` point by using `git tag <tagname> mybranch`).
 
 You normally only do signed tags for major releases or things