diff --git a/aleksis/apps/chronos/util/predicates.py b/aleksis/apps/chronos/util/predicates.py
index 18190d3fbdae1279799643f42aa19909a39d4feb..fb70edee23dbae9f2014634526bea4b7d867adf7 100644
--- a/aleksis/apps/chronos/util/predicates.py
+++ b/aleksis/apps/chronos/util/predicates.py
@@ -12,7 +12,12 @@ from .chronos_helpers import get_classes, get_rooms, get_teachers
 
 @predicate
 def has_timetable_perm(user: User, obj: Model) -> bool:
-    """Predicate which checks whether the user is allowed to access the requested timetable."""
+    """
+    Check if can access timetable.
+
+    Predicate which checks whether the user is allowed
+    to access the requested timetable.
+    """
     if isinstance(obj, Group):
         return has_group_timetable_perm(user, obj)
     elif isinstance(obj, Person):
@@ -25,7 +30,12 @@ def has_timetable_perm(user: User, obj: Model) -> bool:
 
 @predicate
 def has_group_timetable_perm(user: User, obj: Group) -> bool:
-    """Predicate which checks whether the user is allowed to access the requested group timetable."""
+    """
+    Check if can access group timetable.
+
+    Predicate which checks whether the user is allowed
+    to access the requested group timetable.
+    """
     return (
         obj in user.person.member_of.all()
         or user.person.primary_group == obj
@@ -37,7 +47,12 @@ def has_group_timetable_perm(user: User, obj: Group) -> bool:
 
 @predicate
 def has_person_timetable_perm(user: User, obj: Person) -> bool:
-    """Predicate which checks whether the user is allowed to access the requested person timetable."""
+    """
+    Check if can access person timetable.
+
+    Predicate which checks whether the user is allowed
+    to access the requested person timetable.
+    """
     return (
         user.person == obj
         or has_global_perm("chronos.view_all_person_timetables")(user)
@@ -47,7 +62,12 @@ def has_person_timetable_perm(user: User, obj: Person) -> bool:
 
 @predicate
 def has_room_timetable_perm(user: User, obj: Room) -> bool:
-    """Predicate which checks whether the user is allowed to access the requested room timetable."""
+    """
+    Check if can access room timetable.
+
+    Predicate which checks whether the user is allowed
+    to access the requested room timetable.
+    """
     return has_global_perm("chronos.view_all_room_timetables")(user) or has_object_perm(
         "chronos.view_room_timetable"
     )(user, obj)
@@ -55,5 +75,5 @@ def has_room_timetable_perm(user: User, obj: Room) -> bool:
 
 @predicate
 def has_any_timetable_object(user: User) -> bool:
-    """Predicate which checks whether there exists a timetable that the user is allowed to access."""
+    """Predicate which checks whether there are any timetables the user is allowed to access."""
     return get_classes(user).exists() or get_rooms(user).exists() or get_teachers(user).exists()