diff --git a/cmd/kubeadm/app/cmd/phases/workflow/doc_test.go b/cmd/kubeadm/app/cmd/phases/workflow/doc_test.go
index 88123c4f1f4..894e7cd0afd 100644
--- a/cmd/kubeadm/app/cmd/phases/workflow/doc_test.go
+++ b/cmd/kubeadm/app/cmd/phases/workflow/doc_test.go
@@ -50,7 +50,7 @@ func ExamplePhase() {
 			}
 
 			// implement your phase logic...
-			fmt.Printf("%v", d.Data())
+			fmt.Printf("%v\n", d.Data())
 			return nil
 		},
 	}
@@ -67,7 +67,7 @@ func ExamplePhase() {
 			}
 
 			// implement your phase logic...
-			fmt.Printf("%v", d.Data())
+			fmt.Printf("%v\n", d.Data())
 			return nil
 		},
 	}
@@ -91,7 +91,7 @@ func ExampleRunner_Run() {
 			}
 
 			// implement your phase logic...
-			fmt.Printf("%v", d.Data())
+			fmt.Printf("%v\n", d.Data())
 			return nil
 		},
 	}
diff --git a/cmd/kubeadm/app/phases/upgrade/postupgrade.go b/cmd/kubeadm/app/phases/upgrade/postupgrade.go
index ca1e51ad593..d8ffb23a653 100644
--- a/cmd/kubeadm/app/phases/upgrade/postupgrade.go
+++ b/cmd/kubeadm/app/phases/upgrade/postupgrade.go
@@ -174,7 +174,7 @@ func BackupAPIServerCertIfNeeded(cfg *kubeadmapi.InitConfiguration, dryRun bool)
 	// Don't fail the upgrade phase if failing to backup kube-apiserver cert and key, just continue rotating the cert
 	// TODO: We might want to reconsider this choice.
 	if err := backupAPIServerCertAndKey(certAndKeyDir); err != nil {
-		fmt.Printf("[postupgrade] WARNING: failed to backup kube-apiserver cert and key: %v", err)
+		fmt.Printf("[postupgrade] WARNING: failed to backup kube-apiserver cert and key: %v\n", err)
 	}
 	return certsphase.CreateCertAndKeyFilesWithCA(
 		&certsphase.KubeadmCertAPIServer,
diff --git a/cmd/kubeadm/app/util/arguments.go b/cmd/kubeadm/app/util/arguments.go
index afba856c421..7f88b471a22 100644
--- a/cmd/kubeadm/app/util/arguments.go
+++ b/cmd/kubeadm/app/util/arguments.go
@@ -63,7 +63,7 @@ func ParseArgumentListToMap(arguments []string) map[string]string {
 		// Warn in all other cases, but don't error out. This can happen only if the user has edited the argument list by hand, so they might know what they are doing
 		if err != nil {
 			if i != 0 {
-				fmt.Printf("[kubeadm] WARNING: The component argument %q could not be parsed correctly. The argument must be of the form %q. Skipping...", arg, "--")
+				fmt.Printf("[kubeadm] WARNING: The component argument %q could not be parsed correctly. The argument must be of the form %q. Skipping...\n", arg, "--")
 			}
 			continue
 		}