Typo found in the FAQ

This is a **bug report** in the FAQ section of the documentation.

I found a small typo on the FAQ page of the documentation pages. In the section ```How does competition work in a subnet?```, the word "emissionsk" appears to be misspelled and should be "emissions".

<img width="919" height="246" alt="Image" src="https://github.com/user-attachments/assets/f0e7d586-73a6-4b92-873f-e391b86d61d3" />