Merge pull request #71 from kashefy/typo

form->from

notes/13_jt_msg-passing/1_cliques-bipartite-jt.tex

@@ -215,7 +215,7 @@ \subsection{Inference in a junction tree}
 \item order initialization according to topological sorting (parent $\rightarrow$ child)
 \item add clique potential(s) for observed evidence(s)
 \item perform message passing
-\item extract marginals form messages
+\item extract marginals from messages
 \item perform normalization
 \end{enumerate}