Merged revisions 84945 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r84945 | georg.brandl | 2010-09-21 16:48:28 +0200 (Di, 21 Sep 2010) | 1 line

  #9911: doc copyedits.
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diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index c9747e3..b920d4e 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -337,7 +337,7 @@
 
    Set the current process's real, effective, and saved user ids.
 
-   Availibility: Unix.
+   Availability: Unix.
 
    .. versionadded:: 2.7