Americanise spelling

README.md

@@ -15,7 +15,7 @@ Flowmatic requires Go 1.20+.
 - Handles a variety of concurrency problems such as heterogenous task groups, homogenous execution of a task over a slice, and dynamic work spawning
 - Aggregates errors
 - Properly propagates panics across goroutine boundaries
-- Has helpers for context cancellation
+- Has helpers for context cancelation
 - Few dependencies
 - Good test coverage
 
@@ -91,9 +91,9 @@ err := errors.Join(errs...)
 </tr>
 </table>
 
-To create a context for tasks that is cancelled on the first error,
+To create a context for tasks that is canceled on the first error,
 use `flowmatic.All`.
-To create a context for tasks that is cancelled on the first success,
+To create a context for tasks that is canceled on the first success,
 use `flowmatic.Race`.
 
 ```go

all.go

@@ -7,7 +7,7 @@ import (
 // All runs each task concurrently
 // and waits for them all to finish.
 // Each task receives a child context
-// which is cancelled once one task returns an error or panics.
+// which is canceled once one task returns an error or panics.
 // All returns nil if all tasks succeed.
 // Otherwise,
 // All returns a multierror containing the errors encountered.

race.go

@@ -9,7 +9,7 @@ import (
 // Race runs each task concurrently
 // and waits for them all to finish.
 // Each function receives a child context
-// which is cancelled once one function has successfully completed or panicked.
+// which is canceled once one function has successfully completed or panicked.
 // Race returns nil
 // if at least one function completes without an error.
 // If all functions return an error,