diff --git a/README.md b/README.md
index d0560d7..90d4fe6 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,7 @@
                 // replace ETA decorator with "done" message, OnComplete event
                 decor.OnComplete(
                     // ETA decorator with ewma age of 60
-                    decor.EwmaETA(decor.ET_STYLE_GO, 60), "done",
+                    decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncWidth), "done",
                 ),
             ),
         )
diff --git a/_examples/multiBars/main.go b/_examples/multiBars/main.go
index b16562a..af2ae7a 100644
--- a/_examples/multiBars/main.go
+++ b/_examples/multiBars/main.go
@@ -30,7 +30,7 @@
 				// replace ETA decorator with "done" message, OnComplete event
 				decor.OnComplete(
 					// ETA decorator with ewma age of 60
-					decor.EwmaETA(decor.ET_STYLE_GO, 60), "done",
+					decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncWidth), "done",
 				),
 			),
 		)