Edit the given text to make sure all plural nouns are spelled correctly.
The bunnies showed signs of tirednes.
The bunnies showed signs of tiredness.
Complete the following task based on the instruction and optional input provided.### Instruction:
Edit the given text to make sure all plural nouns are spelled correctly.

### Input:
The bunnies showed signs of tirednes.

### Output:
The bunnies showed signs of tiredness.