diff --git a/docs/pdf/intro.tex b/docs/pdf/intro.tex
index 4d489589..b55b6629 100644
--- a/docs/pdf/intro.tex
+++ b/docs/pdf/intro.tex
@@ -9,9 +9,7 @@ solving block diagonal systems with triangular diagonal entries,
 preprocessing sparse matrices, and contains additional routines for
 dense matrix operations.  The current implementation of PSBLAS
 addresses a distributed memory execution model operating with message
-passing. However, the overall design does not preclude different
-implementation paradigms, such as those based on a shared memory
-model.
+passing. 
 
 The PSBLAS library is internally implemented in a mixture of
 Fortran~77 and Fortran~95~\cite{metcalf} programming languages. A