diff --git a/cmd/oras/root/manifest/index/create.go b/cmd/oras/root/manifest/index/create.go
index 8fc6d20a6..4ae8ca2b9 100644
--- a/cmd/oras/root/manifest/index/create.go
+++ b/cmd/oras/root/manifest/index/create.go
@@ -77,6 +77,7 @@ Example - create an index and push it with multiple tags:
 			opts.sources = args[1:]
 			return option.Parse(cmd, &opts)
 		},
+		Aliases: []string{"pack"},
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return createIndex(cmd, opts)
 		},
diff --git a/test/e2e/suite/command/manifest_index.go b/test/e2e/suite/command/manifest_index.go
index fca870bf7..f5450e88f 100644
--- a/test/e2e/suite/command/manifest_index.go
+++ b/test/e2e/suite/command/manifest_index.go
@@ -26,8 +26,8 @@ import (
 var _ = Describe("ORAS beginners:", func() {
 	When("running manifest index command", func() {
 		When("running `manifest index create`", func() {
-			It("should show help doc with feature flags", func() {
-				ORAS("manifest", "index", "create", "--help").MatchKeyWords(ExampleDesc).Exec()
+			It("should show help doc with alias", func() {
+				ORAS("manifest", "index", "create", "--help").MatchKeyWords("Aliases", "pack").Exec()
 			})
 		})
 	})