typo

hongmingjian · Jun 25, 2018 · d69c73a · d69c73a
1 parent d2da314
commit d69c73a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ostruct/ostruct.tex b/ostruct/ostruct.tex
@@ -248,7 +248,7 @@
   \begin{frame}
     \frametitle{Layered structure (1/4)} \pause
     \begin{itemize}
-    \item{The operating system is broken up into a number of layers, each built on top lower layers.} \pause
+    \item{The operating system is broken up into a number of layers, each built on top of lower layers.} \pause
     \end{itemize}
     \begin{center}
       \includegraphics[scale=0.5]{v6f3-8}