fix translation

Author: Vladimir Kotal

history.tex

@@ -146,7 +146,7 @@
 \begin{slide}
 \sltitle{UNIX divergence}
 \begin{itemize}
-\item mid 70's -- releasing uvolòování UNIXu na univerzity: mainly to \emsl{University
+\item mid 70's -- releasing UNIXu to universities: mainly to \emsl{University
 of California v Berkeley}
 \item 1979 -- \emsl{BSD Unix (Berkeley Software Distribution)} is being
 developed from UNIX/32V (the mentioned port to VAX) provided to Berkeley.