fix grammar

Author: snoweye

inst/doc/pmclust-guide.pdf

@@ -2,11 +2,10 @@
 \section*{Acknowledgement}
 \addcontentsline{toc}{section}{Acknowledgement \vspace{-0.3cm}}
 
-Chen were supported in part by
+Chen was supported in part by
 the Department of Ecology and Evolutionary Biology at the
-University of Tennessee, Knoxville; the National Institute for Mathematical
-and Biological Synthesis; and the Tennessee Science Alliance, and a grant from
-the National Science Foundation MCB-1120370.
+University of Tennessee, Knoxville, and a grant from
+the National Science Foundation (MCB-1120370.)
 \\
 
 Chen and Ostrouchov were supported in part by the project