Merge branch 'ez/doc-duplicated-words-fix'

Typofix.

* ez/doc-duplicated-words-fix:
doc: fix minor typos (extra/duplicated words)

diff --combined Documentation/git-update-index.txt
index e19eba62cda292cc51407cbcd7e94675560f97f2,a14e6aebd9dc8e3b523b4145236fc413e00d4492..75c7dd9dea4d2b6c26b84b99fb21ba75cf1cdcf3
--- 1/Documentation/git-update-index.txt
--- 2/Documentation/git-update-index.txt
+++ b/Documentation/git-update-index.txt
@@@ -153,7 -153,7 +153,7 @@@ you will need to handle the situation m
  +
  Version 4 performs a simple pathname compression that reduces index
  size by 30%-50% on large repositories, which results in faster load
- time. Version 4 is relatively young (first released in in 1.8.0 in
+ time. Version 4 is relatively young (first released in 1.8.0 in
  October 2012). Other Git implementations such as JGit and libgit2
  may not support it yet.
  
@@@ -214,7 -214,7 +214,7 @@@ will remove the intended effect of the 
  Using --refresh
  ---------------
  `--refresh` does not calculate a new sha1 file or bring the index
 -up-to-date for mode/content changes. But what it *does* do is to
 +up to date for mode/content changes. But what it *does* do is to
  "re-match" the stat information of a file with the index, so that you
  can refresh the index for a file that hasn't been changed but where
  the stat entry is out of date.