texinfo typo in my recent coreutils patch

[Paul Eggert]

I installed this:

--- doc/coreutils.texi  9 Sep 2005 20:50:51 -0000       1.278
+++ doc/coreutils.texi  9 Sep 2005 21:16:49 -0000       1.279
@@ -12524,7 +12524,7 @@ scheduler, which the scheduler is free t
 terminology, @acronym{POSIX} defines the behavior of @command{nice} in
 terms of a @dfn{nice value}, which is the nonnegative difference
 between a niceness and the minimum niceness.  Though @command{nice}
-conforms to @command{POSIX}, its documentation and diagnostics use the
+conforms to @acronym{POSIX}, its documentation and diagnostics use the
 term ``niceness'' for compatibility with historical practice.
 
 @var{command} must not be a special built-in utility (@pxref{Special