Added "docs" for Pareto and Weibull distributions.
diff --git a/Doc/lib/librandom.tex b/Doc/lib/librandom.tex
index b8d5f78..7b29092 100644
--- a/Doc/lib/librandom.tex
+++ b/Doc/lib/librandom.tex
@@ -71,6 +71,14 @@
\code{2*pi}.
\end{funcdesc}
+\begin{funcdesc}{paretovariate}{alpha}
+Pareto distribution. \var{alpha} is the shape parameter.
+\end{funcdesc}
+
+\begin{funcdesc}{weibullvariate}{alpha, beta}
+Weibull distribution. \var{alpha} is the scale parameter, and
+\var{beta} is the shape parameter.
+\end{funcdesc}
\begin{seealso}
\seemodule{whrandom}{the standard Python random number generator}