Edit the following document for syntax and readability:
The students took very good notes in Ms.Smith class
The students took very good notes in Ms. Smith's class.
Complete the following task based on the instruction and optional input provided.### Instruction:
Edit the following document for syntax and readability:

### Input:
The students took very good notes in Ms.Smith class

### Output:
The students took very good notes in Ms. Smith's class.