diff --git a/guides/source/active_job_basics.md b/guides/source/active_job_basics.md
index 55f04cf829..753436e456 100644
--- a/guides/source/active_job_basics.md
+++ b/guides/source/active_job_basics.md
@@ -111,7 +111,7 @@ Job Execution
 -------------
 
 For enqueuing and executing jobs in production you need to set up a queuing backend,
-that is to say you need to decide for a 3rd-party queuing library that Rails should use.
+that is to say you need to decide on a 3rd-party queuing library that Rails should use.
 Rails itself only provides an in-process queuing system, which only keeps the jobs in RAM.
 If the process crashes or the machine is reset, then all outstanding jobs are lost with the
 default async backend. This may be fine for smaller apps or non-critical jobs, but most