Insert a comma to make the following sentence grammatically correct.
The bakery that I visited yesterday had freshly made croissants.
The sentence is already grammatically correct and does not require the addition of a comma.
Complete the following task based on the instruction and optional input provided.### Instruction:
Insert a comma to make the following sentence grammatically correct.

### Input:
The bakery that I visited yesterday had freshly made croissants.

### Output:
The sentence is already grammatically correct and does not require the addition of a comma.