diff --git a/R/DESCRIPTION.in b/R/DESCRIPTION.in
index 25bbb23c..90291510 100644
--- a/R/DESCRIPTION.in
+++ b/R/DESCRIPTION.in
@@ -7,7 +7,7 @@ Depends:
     R (>= 2.10)
 Author: D.L. Parkhurst and C.A.J. Appelo, with contributions from S.D. Cohen,
     A.C. Hindmarsh, R. Serban, D. Shumaker, and A.G. Taylor for CVODE (SUNDIALS)
-    and D. Gillespie for Chipmunk BASIC (p2c).
+    and D. Gillespie for Chipmunk BASIC (p2c)
 URL: http://wwwbrr.cr.usgs.gov/projects/GWC_coupled/phreeqc
 Description: R interface to the PHREEQC program.  PHREEQC is a geochemical
     modeling program developed by the US Geological Survey that is designed to