Fix typos in documentation

Signed-off-by: Alexander Potashev <aspotashev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-send-email.txt

@@ -46,7 +46,7 @@ The --cc option must be repeated for each user you want on the cc list.
 	Use $GIT_EDITOR, core.editor, $VISUAL, or $EDITOR to edit an
 	introductory message for the patch series.
 +
-When compose is in used, git send-email gets less interactive will use the
+When '--compose' is used, git send-email gets less interactive will use the
 values of the headers you set there. If the body of the email (what you type
 after the headers and a blank line) only contains blank (or GIT: prefixed)
 lines, the summary won't be sent, but git-send-email will still use the

Documentation/technical/racy-git.txt

@@ -135,7 +135,7 @@ them, and give the same timestamp to the index file:
 
 This will make all index entries racily clean.  The linux-2.6
 project, for example, there are over 20,000 files in the working
-tree.  On my Athron 64X2 3800+, after the above:
+tree.  On my Athlon 64 X2 3800+, after the above:
 
   $ /usr/bin/time git diff-files
   1.68user 0.54system 0:02.22elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k