diff --git a/R/phreeqc/DESCRIPTION b/R/phreeqc/DESCRIPTION
index 4c213d31..f64ffa54 100644
--- a/R/phreeqc/DESCRIPTION
+++ b/R/phreeqc/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: phreeqc
 Version: 1.0.0
 Title: R interface to the phreeqc geochemical modeling program
-License: Unlimited
+License: BSD_3_clause
 NeedsCompilation: yes
 Depends:
     R (>= 2.10)