Here's how to find it:

1. Find the Big Dipper: This is a well-known constellation in the Northern Hemisphere.

2. Follow the curve of the Big Dipper's handle: Imagine a curved line extending from the stars of the Big Dipper's handle.

3. Locate Arcturus: This bright, orange star is the brightest star in Boötes, and lies at the end of the curve.

4. Look for a faint, kite-shaped group of stars: Coma Berenices is located just south of Arcturus, and is characterized by its faint stars forming a loose, kite-like shape.

Important Note: Coma Berenices is not a very bright constellation, so it's best viewed on a clear, dark night away from city lights.