diff --git a/lightbulb/client.py b/lightbulb/client.py
index bf3bf627..8dc35831 100644
--- a/lightbulb/client.py
+++ b/lightbulb/client.py
@@ -332,10 +332,10 @@ def task(  # noqa: D417
                 the client upon the client being started, the task will also be started; it will also be started
                 if being added to an already-started client.
             max_failures: The maximum number of failed attempts to execute the task before it is cancelled.
-                Setting this to a negative number will disable this behavior, and the task won't be canceled,
+                Setting this to a negative number will disable this behaviour, and the task won't be cancelled,
                 no matter how often the task fails.
             max_invocations: The maximum number of times the task can be invoked before being stopped.
-                Setting this to a negative number will disable this behavior, allowing unlimited invocations.
+                Setting this to a negative number will disable this behaviour, allowing unlimited invocations.
 
         Note:
             This method can also be called with an existing task object to register it directly.
diff --git a/lightbulb/loaders.py b/lightbulb/loaders.py
index b25e5660..10d90c1f 100644
--- a/lightbulb/loaders.py
+++ b/lightbulb/loaders.py
@@ -400,10 +400,10 @@ def task(
                 the client upon the client being started, the task will also be started; it will also be started
                 if being added to an already-started client.
             max_failures: The maximum number of failed attempts to execute the task before it is cancelled.
-                Setting this to a negative number will disable this behavior, and the task won't be canceled,
+                Setting this to a negative number will disable this behaviour, and the task won't be cancelled,
                 no matter how often the task fails.
             max_invocations: The maximum number of times the task can be invoked before being stopped.
-                Setting this to a negative number will disable this behavior, allowing unlimited invocations.
+                Setting this to a negative number will disable this behaviour, allowing unlimited invocations.
 
         Example:
 
diff --git a/lightbulb/tasks.py b/lightbulb/tasks.py
index 1dbfcb43..4eee4582 100644
--- a/lightbulb/tasks.py
+++ b/lightbulb/tasks.py
@@ -223,10 +223,10 @@ class Task:
             the client upon the client being started, the task will also be started; it will also be started
             if being added to an already-started client.
         max_failures: The maximum number of failed attempts to execute the task before it is cancelled.
-            Setting this to a negative number will disable this behavior, and the task won't be canceled,
+            Setting this to a negative number will disable this behaviour, and the task won't be cancelled,
             no matter how often the task fails.
         max_invocations: The maximum number of times the task can be invoked before being stopped.
-            Setting this to a negative number will disable this behavior, allowing unlimited invocations.
+            Setting this to a negative number will disable this behaviour, allowing unlimited invocations.
     """
 
     __slots__ = [