diff --git a/weblate/trans/models/subproject.py b/weblate/trans/models/subproject.py
index d3a2a0d4dbbc09e7ee64c2736aed866ccd8ed56a..62091e3d241fd05dc91a51956848a4e4f4f9f886 100644
--- a/weblate/trans/models/subproject.py
+++ b/weblate/trans/models/subproject.py
@@ -397,7 +397,7 @@ class SubProject(models.Model, PercentMixin, URLMixin, PathMixin):
         max_length=200,
         default='^[^.]+$',
         help_text=ugettext_lazy(
-            'Regullar expression which is used to filter '
+            'Regular expression which is used to filter '
             'translation when scanning for file mask.'
         ),
     )