diff --git a/RBBGCMuso/R/multiSite.R b/RBBGCMuso/R/multiSite.R
index 1ef9b73..cc85309 100644
--- a/RBBGCMuso/R/multiSite.R
+++ b/RBBGCMuso/R/multiSite.R
@@ -186,7 +186,7 @@ multiSiteCalib <- function(measurements,
              abline(0,1)
              legend(x="top",
                     pch=c(19,19),
-                    col=c("red","blue")
+                    col=c("red","blue"),
                     inset=c(0,-0.1),
                     legend=c("original","calibrated"),
                     ncol=2,