For your first job this is easily explainable and as long as you leave on good terms with your employer you should be ok for any future reference checks too.
The concern with a short tenure at a job is when it becomes a pattern, say 3+ jobs w/o having stayed for about 2 years or more. That's when you might fall into a red-flag sort of situation when looking for future employment.
The concern with a short tenure at a job is when it becomes a pattern, say 3+ jobs w/o having stayed for about 2 years or more. That's when you might fall into a red-flag sort of situation when looking for future employment.