Remove spurious "\end{description}" that caused formatting to fail.
diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex
index 16a1a8d..91713f9 100644
--- a/Doc/ref/ref4.tex
+++ b/Doc/ref/ref4.tex
@@ -137,8 +137,6 @@
the global and local namespace. If only one namespace is specified,
it is used for both.
-\end{description}
-
The built-in functions \function{globals()} and \function{locals()}
each return a dictionary, representing the current global and local
namespace respectively. The effect of modifications to these