diff --git a/aleksis/apps/chronos/model_extensions.py b/aleksis/apps/chronos/model_extensions.py
index 62570c636dd15165919abc0c12815478836cc809..c68d37260c2815ddf259feb7137fc9bb97122a29 100644
--- a/aleksis/apps/chronos/model_extensions.py
+++ b/aleksis/apps/chronos/model_extensions.py
@@ -5,7 +5,7 @@ from .models import Lesson, LessonPeriod
 
 @Person.property
 def is_teacher(self):
-    """ Check if the user has lessons as an teacher """
+    """ Check if the user has lessons as a teacher """
 
     return Lesson.objects.filter(teachers=self).exists()