fix wording

Author: Vladimir Kotal

user-access.tex

@@ -65,7 +65,7 @@
 \begin{itemize}
 \item \emsl{SGID} on a file without the executable bit for its group means
 \emsl{mandatory locking} in systems based on System~V
-\item \emsl{sticky bit} for directories: remove and renamed allowed for file
+\item \emsl{sticky bit} for directories: remove and rename allowed for file
 owners only.
 \item \emsl{SGID} for directory: new files will have the same group as the
 directory (on System~V based systems; it works in a different way on BSD