diff --git a/mailpoet/RoboFile.php b/mailpoet/RoboFile.php
index c12e4bea73..f6528e1aa8 100644
--- a/mailpoet/RoboFile.php
+++ b/mailpoet/RoboFile.php
@@ -448,7 +448,7 @@ class RoboFile extends \Robo\Tasks {
   }
 
   /**
-   * Creates a new migration file. Use `migrations:new db` for a bb level migration or `migrations:new app` for app level migration.
+   * Creates a new migration file. Use `migrations:new db` for a db level migration or `migrations:new app` for app level migration.
    * @param $level string - db or app
    */
   public function migrationsNew($level) {
diff --git a/mailpoet/lib/Migrator/MigratorException.php b/mailpoet/lib/Migrator/MigratorException.php
index 06077ff3ee..d8e7ea7eb6 100644
--- a/mailpoet/lib/Migrator/MigratorException.php
+++ b/mailpoet/lib/Migrator/MigratorException.php
@@ -14,7 +14,7 @@ class MigratorException extends InvalidStateException {
 
   public static function invalidMigrationLevel(string $level): self {
     return self::create()->withMessage(
-      sprintf('Migration level "%s" is not supported! Use "app" of "db".', $level)
+      sprintf('Migration level "%s" is not supported! Use "app" or "db".', $level)
     );
   }
 
diff --git a/mailpoet/tests/unit/Migrator/RepositoryTest.php b/mailpoet/tests/unit/Migrator/RepositoryTest.php
index 9611b8210a..a2fa9b0cfa 100644
--- a/mailpoet/tests/unit/Migrator/RepositoryTest.php
+++ b/mailpoet/tests/unit/Migrator/RepositoryTest.php
@@ -55,7 +55,7 @@ class RepositoryTest extends MailPoetUnitTest {
     ]);
 
     $this->expectException(MigratorException::class);
-    $this->expectExceptionMessage(sprintf('Migration level "%s" is not supported! Use "app" of "db".', 'abc'));
+    $this->expectExceptionMessage(sprintf('Migration level "%s" is not supported! Use "app" or "db".', 'abc'));
     $repository->create('abc');
   }