diff --git a/icu4c/source/common/propname.cpp b/icu4c/source/common/propname.cpp
index 6e7e53dfd19..79fc2ee3741 100644
--- a/icu4c/source/common/propname.cpp
+++ b/icu4c/source/common/propname.cpp
@@ -5,7 +5,7 @@
 **********************************************************************
 * Author: Alan Liu
 * Created: October 30 2002
-* Since: ICU 2.2
+* Since: ICU 2.4
 **********************************************************************
 */
 #include "propname.h"
diff --git a/icu4c/source/common/propname.h b/icu4c/source/common/propname.h
index 0c76b0b4af7..968a3f13fa4 100644
--- a/icu4c/source/common/propname.h
+++ b/icu4c/source/common/propname.h
@@ -5,7 +5,7 @@
 **********************************************************************
 * Author: Alan Liu
 * Created: October 30 2002
-* Since: ICU 2.2
+* Since: ICU 2.4
 **********************************************************************
 */
 #ifndef PROPNAME_H