diff --git a/Doc/lib/libhotshot.tex b/Doc/lib/libhotshot.tex
index 20cdb80..2bb5bce 100644
--- a/Doc/lib/libhotshot.tex
+++ b/Doc/lib/libhotshot.tex
@@ -96,6 +96,9 @@
 
 \subsection{Example Usage \label{hotshot-example}}
 
+Note that this example runs the python "benchmark" pystones. It can
+take some time to run, and will produce large output files.
+
 \begin{verbatim}
 
 >>> import hotshot, hotshot.stats, test.pystone