diff --git a/SRC/clatsqr.f b/SRC/clatsqr.f
index c16f4331f..6c9a3ab3c 100644
--- a/SRC/clatsqr.f
+++ b/SRC/clatsqr.f
@@ -159,7 +159,7 @@
 *> For more details of the overall algorithm, see the description of
 *> Sequential TSQR in Section 2.2 of [1].
 *>
-*> [1] “Communication-Optimal Parallel and Sequential QR and LU Factorizations,�
+*> [1] “Communication-Optimal Parallel and Sequential QR and LU Factorizations,”
 *>     J. Demmel, L. Grigori, M. Hoemmen, J. Langou,
 *>     SIAM J. Sci. Comput, vol. 34, no. 1, 2012
 *> \endverbatim