diff --git a/context/context.go b/context/context.go
index 06ef8ca7db2..7374e02bb78 100644
--- a/context/context.go
+++ b/context/context.go
@@ -99,7 +99,7 @@ func (r *ResolvedRemotes) BaseRepo(io *iostreams.IOStreams) (ghrepo.Interface, e
 	cs := io.ColorScheme()
 
 	fmt.Fprintf(io.ErrOut,
-		"%s No default remote repository has been set for this directory.\n",
+		"%s No default remote repository has been set. To learn more about the default repository, run: gh repo set-default --help\n",
 		cs.FailureIcon())
 
 	fmt.Fprintln(io.Out)
diff --git a/pkg/cmd/attestation/verify/verify.go b/pkg/cmd/attestation/verify/verify.go
index 90242a9fed2..0a8de8b4599 100644
--- a/pkg/cmd/attestation/verify/verify.go
+++ b/pkg/cmd/attestation/verify/verify.go
@@ -236,7 +236,7 @@ func runVerify(opts *Options) error {
 	filteredAttestations := verification.FilterAttestations(ec.PredicateType, attestations)
 	if len(filteredAttestations) == 0 {
 		opts.Logger.Printf(opts.Logger.ColorScheme.Red("✗ No attestations found with predicate type: %s\n"), opts.PredicateType)
-		return err
+		return fmt.Errorf("no matching predicate found")
 	}
 	attestations = filteredAttestations
 
diff --git a/pkg/cmd/attestation/verify/verify_test.go b/pkg/cmd/attestation/verify/verify_test.go
index 87ffa96f090..092a009d81e 100644
--- a/pkg/cmd/attestation/verify/verify_test.go
+++ b/pkg/cmd/attestation/verify/verify_test.go
@@ -501,6 +501,18 @@ func TestRunVerify(t *testing.T) {
 		require.Nil(t, runVerify(&customOpts))
 	})
 
+	t.Run("with valid OCI artifact with UseBundleFromRegistry flag and unknown predicate type", func(t *testing.T) {
+		customOpts := publicGoodOpts
+		customOpts.ArtifactPath = "oci://ghcr.io/github/test"
+		customOpts.BundlePath = ""
+		customOpts.UseBundleFromRegistry = true
+		customOpts.PredicateType = "https://predicate.type"
+
+		err := runVerify(&customOpts)
+		require.Error(t, err)
+		require.ErrorContains(t, err, "no matching predicate found")
+	})
+
 	t.Run("with valid OCI artifact with UseBundleFromRegistry flag but no bundle return from registry", func(t *testing.T) {
 		customOpts := publicGoodOpts
 		customOpts.ArtifactPath = "oci://ghcr.io/github/test"
diff --git a/pkg/cmd/repo/setdefault/setdefault.go b/pkg/cmd/repo/setdefault/setdefault.go
index 3e1554a6933..ede4d00b4b0 100644
--- a/pkg/cmd/repo/setdefault/setdefault.go
+++ b/pkg/cmd/repo/setdefault/setdefault.go
@@ -119,15 +119,18 @@ func setDefaultRun(opts *SetDefaultOptions) error {
 
 	currentDefaultRepo, _ := remotes.ResolvedRemote()
 
+	cs := opts.IO.ColorScheme()
+
 	if opts.ViewMode {
 		if currentDefaultRepo != nil {
 			fmt.Fprintln(opts.IO.Out, displayRemoteRepoName(currentDefaultRepo))
 		} else {
-			fmt.Fprintln(opts.IO.ErrOut, "no default repository has been set; use `gh repo set-default` to select one")
+			fmt.Fprintf(opts.IO.ErrOut,
+				"%s No default remote repository has been set. To learn more about the default repository, run: gh repo set-default --help\n",
+				cs.FailureIcon())
 		}
 		return nil
 	}
-	cs := opts.IO.ColorScheme()
 
 	if opts.UnsetMode {
 		var msg string
diff --git a/pkg/cmd/repo/setdefault/setdefault_test.go b/pkg/cmd/repo/setdefault/setdefault_test.go
index dfd72d83e76..0d2e2ddaacc 100644
--- a/pkg/cmd/repo/setdefault/setdefault_test.go
+++ b/pkg/cmd/repo/setdefault/setdefault_test.go
@@ -176,7 +176,7 @@ func TestDefaultRun(t *testing.T) {
 					Repo:   repo1,
 				},
 			},
-			wantStderr: "no default repository has been set; use `gh repo set-default` to select one\n",
+			wantStderr: "X No default remote repository has been set. To learn more about the default repository, run: gh repo set-default --help\n",
 		},
 		{
 			name: "view mode no current default",
@@ -188,7 +188,7 @@ func TestDefaultRun(t *testing.T) {
 					Repo:   repo1,
 				},
 			},
-			wantStderr: "no default repository has been set; use `gh repo set-default` to select one\n",
+			wantStderr: "X No default remote repository has been set. To learn more about the default repository, run: gh repo set-default --help\n",
 		},
 		{
 			name: "view mode with base resolved current default",