diff --git a/DESCRIPTION b/DESCRIPTION
index 1967ff3..4a6a344 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -3,7 +3,7 @@ Type: Package
 Title: Robust Garch(1,1) Model 
 Version: 0.4.0
 Authors@R: c(
-    person("Echo", "Liu", email = "yliu49@uw.edu", role = c("aut", "cre", "cph")),
+    person("Echo", "Liu", email = "yliu49@uw.edu", role = c("aut", "cre")),
     person("Daniel", "Xia", email = "dxia94@gmail.com", role = "aut"),
     person("R. Douglas", "Martin", email = "dougPCRA@gmail.com", role = "aut"))
 Description: Estimation and methods of two Robust Garch(1,1) models.