diff --git a/pyproject.toml b/pyproject.toml
index 1637b0e..92cce15 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
 readme = "README.md"
 license = {text = "GNU General Public License v3"}
 classifiers = []
-description = "Adds math nodes for FLOAT, CONDITIONING, LATENT, IMAGE, NOISE, AUDIO, VIDEO, MODEL, CLIP and VAE types and allows usage of math expressions with large number of functions and variables, not limited to inputs. List of those is on github of this extension."
+description = "Adds math nodes for FLOAT, CONDITIONING, LATENT, IMAGE, MASK, NOISE, AUDIO, VIDEO, MODEL, CLIP and VAE types and allows usage of math expressions with large number of functions and variables, not limited to inputs. List of those is on github of this extension."
 dependencies = [
 
 ]