diff --git a/README.md b/README.md
index 09d4245..42ccb92 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,9 @@ git clone https://git.signorovitch.org/jacob/ln-fractal && cd ln-fractal
 make
 ```
 
-This will generate a series of frames zooming into the fractal (default is 20),
+This will generate a series of frames zooming into the fractal (default is 50),
 and link them together into a video. May take a while to run, depending on your
-CPU. The video is saved as `output.mp4`, and the frames can be viewed directly
-in `imgs/`.
+CPU (takes about 30s on an i9-12900K with 24 threads). The video is saved as
+`output.mp4`, and the frames can be viewed directly in `imgs/`.
 
 ![h.png](h.png)
diff --git a/src/main.rs b/src/main.rs
index f90a7ca..243d078 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,7 +2,7 @@ use image::{ImageBuffer, Rgb};
 use rayon::prelude::*;
 
 // Number of frames to generate.
-const FRAMES: u32 = 20;
+const FRAMES: u32 = 50;
 
 // Frame size.
 const IMGW: u32 = 1024;