history: At work a coworker of mine tried to take credit for a job I had completed. I went straight to my boss and got it lined out once I found out what had happened.
current: At my job a coworker took credit for a job I had completed. Once I found out, I went straight to my boss and got it straightened out.
next: Good job.  Your coworker sounds like a shady little b**ch did you let him/her know what's up