diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 491ffc7ec..ba7bcd517 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -37,6 +37,10 @@
 | 🎁
 | Add commands to manage Broker resource
 | https://github.com/knative/client/pull/894[#894]
+
+| 🐣
+| Refactor port field to accept port name and port
+| https://github.com/knative/client/pull/915[#915]
 |===
 
 ## v0.15.2 (2020-06-16)
diff --git a/pkg/serving/config_changes.go b/pkg/serving/config_changes.go
index 343610e40..bbabb41e5 100644
--- a/pkg/serving/config_changes.go
+++ b/pkg/serving/config_changes.go
@@ -40,7 +40,7 @@ type VolumeSourceType int
 const (
 	ConfigMapVolumeSourceType VolumeSourceType = iota
 	SecretVolumeSourceType
-	PortFormatErr = "The port specification '%s' is not valid. Please provide in the format 'NAME:PORT', where 'NAME' is optional. Examples: '--port h2c:8080' , '--port 8080'."
+	PortFormatErr = "the port specification '%s' is not valid. Please provide in the format 'NAME:PORT', where 'NAME' is optional. Examples: '--port h2c:8080' , '--port 8080'."
 )
 
 var (