diff --git a/Tutorials/T07-CppOverview/Slides/T7.pdf b/Tutorials/T07-CppOverview/Slides/T7.pdf
index 7a9139ad4e9126edb1bf159dc34f11bfbfe1d1c2..29609cb4fb09e069398adf9c242d3251927b77a8 100644
Binary files a/Tutorials/T07-CppOverview/Slides/T7.pdf and b/Tutorials/T07-CppOverview/Slides/T7.pdf differ
diff --git a/Tutorials/T07-CppOverview/Slides/T7.tex b/Tutorials/T07-CppOverview/Slides/T7.tex
index 8b9e8704b87d0ab8f58780c1f3043fe24cba2e65..ff028dabf6dcf1d85b8b3c2047029a60dfd8e704 100644
--- a/Tutorials/T07-CppOverview/Slides/T7.tex
+++ b/Tutorials/T07-CppOverview/Slides/T7.tex
@@ -303,6 +303,7 @@ string s = "I'm a string";
 \end{lstlisting}
 \begin{itemize}
 \item This is similar to ``import Module'' vs ``from Module import *'' in Python
+\item {\bf NEVER bring namespaces into scope with \texttt{using} in header files -- this will expose the namespace in all files that use the header}
 \end{itemize}
 \end{frame}